That Botfly Story You’ve Heard From Me 10 Times Already

Argh - looks like an alien!

Argh — looks like an alien!

Please note this is a repro­duc­tion of the webpage I ori­gin­ally cre­ated for this story. I just thought it’d be bet­ter included in my journal rather than off on its own. Easier to man­age too. The extrac­tion happened in March 2006. Since then, thanks to B3ta, Digg, StumbleUpon and oth­ers, well over 100,000 people have vis­ited and read this story — which is aston­ish­ing really. So thank you all.  In the near future I’ll be re-writing this page to make it more thor­ough and give more inform­a­tion.  In the mean­time, enjoy!

Help me find my dad — if you’ve just returned from a hol­i­day in South Amer­ica, con­sider tak­ing a look at my page about my father. Does he look famil­iar to you? If so, drop me a line.

Maybe it’s a karma thing. I dunno. I changed my plans and decided to go to the Per­uvian jungle at the last minute because I was tired of moun­tains and deserts. But I’d for­got­ten that one advant­age of dry moun­tain ter­rain is the rel­at­ive lack of insect life.

The jungle was great, but one day I made the mis­take of wear­ing a thin t-shirt made from a ‘tech­nical’ fibre — ie, cool­ing and com­fort­able in the humid heat of the jungle. Mos­qui­toes struggle to bite through thick cot­ton, but these fibres are just so easy for them. In one day with this shirt on I man­aged to acquire about fifty bites, mostly on my back. Inter­est­ingly, the loc­als, even without deet repel­lent, receive far fewer bites.

One of these bites didn’t heal quite right. A week or so after I’d noticed it would hurt quite a bit, like a needle being pushed into my back. I guessed it was a little infec­ted. This was late Feb­ru­ary. After a week or so of this I went to my local clinic where the nurse had a good look. She’s trav­elled trop­ic­ally her­self and was impress­ively clued up. After enquir­ies she felt it was likely to be a bug inside me. There then fol­lowed a slightly con­fus­ing phase when nobody seemed avail­able to help me out, but even­tu­ally, after a few vis­its, a doc­tor at the fam­ous Liv­er­pool School of Trop­ical Medi­cine offered to take a look. He couldn’t find any­thing at the time, or extract it, sadly, but the pain con­tin­ued and the now big­ger wound was start­ing to hurt for longer peri­ods of time. This, appar­ently, is the bot­fly lar­vae mov­ing around and snack­ing on my flesh. Even­tu­ally it was a friend (who is also a dent­ist, which helps) covered the wound with vas­el­ine and watched care­fully for some time through a loupe. It soon became obvi­ous that a bot­fly spir­acle was pop­ping up for air every now and again.. Which meant this bad boy was inside me:

The lar­vae, if left alone, would live inside me for up to eight weeks and grow up to 25mm long before leav­ing in order to pupate into the adult fly. I believe the fly can then live for up to two weeks, purely on the stored energy from its lar­val stage — it can’t eat as an adult. The adult then has to mate, and the female with then cap­ture a mos­quito in order to lay its eggs on it. When the mos­quito bites someone, the eggs fall off and the warmth of the host causes those eggs to hatch and in a very short time the little grub will bur­row in and get snacking.

Nice!

My friend Ger­aldine is hav­ing a baby and has shared the video of its ultra­sound. Not want­ing to feel left out I thought I’d share my own little ‘baby’ video with the world! But also I felt this page may help people who get the same prob­lem — there are other resources, but none struck me as that clear to the lay­man, and there are none with a video to show you what to expect.

Some inform­a­tion that I’ve been able to find — the sci­entific name is Dermato­bia Hom­inis. It has a mouth with scrap­ing hooks, a main body with rows of hooks to hold onto its host, and a spir­acle through which it breathes. Symp­toms are an enlar­ging lesion (spot!) that has a small pin­hole in the centre for breath­ing — this hole will not heal as long as the bug is alive. Occa­sion­ally you’ll feel sharp stabbing pains, last­ing up to half an hour, as it moves or eats. It won’t bur­row espe­cially deeply and is unlikely to cause any real dam­age even if left to mature.

Extrac­tion — we’re cur­rently try­ing to per­suade it out by cov­er­ing the wound in vas­el­ine. This forces it closer to the sur­face as its spir­acle searches out air, and it may even come out com­pletely. See the video above. As this story pro­gresses I’ll update this page. I also plan to add some links to resources. Watch this space!

OK — I just gave birth to a baby worm. I always said I wanted chil­dren, but… not sure if this is the way.

Removal of the bot­fly larvae:

It wasn’t easy. Squeez­ing didn’t seem to work, and is said to be almost impossible if the lar­vae is still alive. So we settled on try­ing to kill it or weaken it. How­ever, although there are approaches that give you an almost instant kill, the method we used helps to encour­age the fella to come closer to the surface.

We needed some kind of dress­ing that was flex­ible enough to go on the back and able to keep as much air out as pos­sible. We settled on the lid from a tube of jaffa cakes, filled with vas­el­ine, and thor­oughly taped in to place. After a night’s sleep I could feel the wrig­gling in the morn­ing. Even­tu­ally the lid slipped and I removed it com­pletely to see a lot more of the lar­vae stick­ing out. Res­ult! I covered it once more, and quickly went to see my friend who was then able to gently tweezer the tip up enough to get another pair of tweez­ers lower down and slowly extract the bug. Mech­an­ical removal like this isn’t usu­ally advised, but as the lar­vae was weakened by this point after a night of strug­gling for air it seemed to be ok. My only con­cern now is that it might have a twin! But the wound is heal­ing well, which is a very good sign. There’s still some inflam­ma­tion but it’s improved.

Here’s some pics of the little blighter. Someone could prob­ably make a rather neat little anim­a­tion. You can see the move­ment of his mouth parts as he won­ders where the hell his meal’s just gone. The goo is just vas­el­ine, by the way.

Pics and video of the little fella:

Click on the images for lar­ger versions.

Botfly LarvaeBotfly LarvaeBotfly LarvaeBotfly LarvaeBotfly LarvaeBotfly LarvaeBotfly LarvaeBotfly Larvae

Link­age

Bot­fly Lar­vae in host video

It could have been worse though… but don’t look if you’re either sens­it­ive or don’t like see­ing people’s, erm, hid­den bits.… http://sti.bmjjournals.com/cgi/reprint/80/3/183.pdf - mem­ber­ship now required.

Trackbacks
  • […] I’ve done a sep­ar­ate page about it here. No Com­ments yet. […]

  • […] I share only a little about myself online, but let’s say that 2006 was prob­ably a year which, for me, could have become pivotal for so many reas­ons. Exper­i­ences which I’ll never for­get, such as climb­ing Machu Pic­chu, nearly being struck by light­ning on a Chilean moun­tain, hav­ing a bot­fly removed, launch­ing a new busi­ness ven­ture… all incred­ible. Friends have been sim­il­arly amaz­ing. I also took second place over­all yet again in the Liv­er­pool and Chester Speed Cham­pi­on­ship as well as a brace of class pos­i­tions in the ANWCC championships. […]

  • […] Being a b3tard… Pos­ted on Sunday, July 29th, 2007 by Dav­e­Filed under: Asides< Pre­vi­ous I have a thing about the b3ta.com site. It keeps me tickled in those quiet moments. The fact they men­tioned my bot­fly incid­ent in their news­let­ter meant this site’s traffic and rank­ing improved a fair bit for a while, and occas­sion­ally I post answers to the ques­tion of the week spot. A couple have made it to the ‘best of’, which is nice. […]

  • […] of the import­ance of Google and other search engines on the pop­ular­ity of a page to the world. For this page on a per­sonal blog plenty of hits were com­ing in, yet sud­denly there was an increase in traffic for this page which […]

  • […] have hap­pily lived my entire life without learn­ing about the equine-attacking bot­fly, much less the human-attacking bot­fly. But since I didn’t, I’m gen­er­ously shar­ing this valu­able know­ledge with […]

Comments
  • I was also lucky enough to have one of these suck­ers in me in late 2006, although mine was in my arm. I sus­pect I was bit­ten while in El Sal­vador, but it wasn’t until I was in the middle of the jungle at Angel Falls in Venezuela when it became obvi­ous it was more than just a run of the mill moz­zie bite. The pain of being a bugs buf­fet was quite bad, but the biggest scare for me was the fact I was in such a remote trop­ical area (and would be for another week) with what I thought was some sort of jungle, meat eat­ing infec­tion in my arm. I wish now I had taken a photo of the infec­tion as it was then at that early stage, but the best way I could describe it was a blood vol­cano. I had a scab on my arm about 1cm high and maybe 1~1.5cm wide at the base which con­tin­ued to ooze blood out the top of the scab for about 3 days straight. It was really quite gross.

    When I got back to civil­isa­tion about a week later and was able to clean up the wound prop­erly I was actu­ally quite relieved to find a small head going in and out of my arm. It was obvi­ous then that I had a para­site rather than a meat eat­ing jungle infec­tion that was going to res­ult in ampu­ta­tion. It still took another week though for me to finally get the bot­fly out. After about 4 days of hav­ing an old Venezu­alan nurse (who was the only one who believed that there was some­thing in there by the way) try­ing to digg the lavae out with a scalpal without any sort of anaes­thetic I decided to get the thing out myself. I took a pair of tweez­ers and thanks to the big hole in my arm the nurse had kindly dug out, the next time the bot­fly reared its head I was able to grab it by the end and very slowly and gently ease it out. Good times.

  • jb

    Great site! Shows what power there is in blogs — par­tic­u­larly since not many of the docs had a clue about this trop­ical disease.

  • mark wheatley

    I heard of Brit­ish sol­diers train­ing in Bel­ize who would heat up a coke bottle, except the neck, put the mouth of the hot bottle over the bot­fly hole, then chuck cold water onto the bottle. The cold water les­sons the pres­sure in a hurry, thus suck­ing out the lar­vae, blood and pus.
    May just be a gory warry story.

  • I found one in my steak once.

  • Jay

    Many years ago, in the early 80’s, I was sta­tioned at Howard AFB in Panama. On occa­sion I would head out into the more isol­ated areas of that part of the con­tin­ent and twice had to remove bot fly larae from people. I can verify the coke bottle story hav­ing seen it done once, but appar­ently it isnt 100%. Kind of a hit and miss approach. What I found that worked was to lib­eraly smear vasilne over, into, and around the breath­ing hole. Then, take a pice of saran wrap and tape it over the site. I used duct tape, but any kind of tape that will stay in place will work. Leave the saran wrap in place for about 2 to 3 days. This will ensure that the lar­vae will suf­foc­ate and die. They are WAY easier to get out once they are dead. You can see through the saran wrap so you will know when to remove it. Using tweez­ers, GENTLY grip and remove the lar­vae. It will slide right out.
    Once you have removed the bug­ger irrig­ate the hole with a saline solu­tion (those people who wear con­tacts are lucky, they usu­ally have some sterile saline for rins­ing thier lenses). Dry the wound site, then pack the hole with triple anti­bi­otic and add a soft breath­able dress­ing.
    I have done this twice as i said and it worked each time.
    Good luck to any of you that get nailed by this nasty little thing, you have my sym­path­ies.
    Jay

  • sandra

    We man­aged to get bit­ten in the Gam­bia in feb/march. Thought the bites were dif­fer­ent as they hurt, not itched. Got some oint­ment from the doc­tor, then 3 days after­wards, I found some­thing white stick­ing out of my leg, pulled it, out came a mag­got, alive and well. YUCK. Got 2 fur­ther ones out of dif­fer­ent bites and one out of my hus­bands leg. The doc­tor phoned the depart­ment of trop­ical medi­cine and they said that the oint­ment had acted like vas­el­ine, but to con­tinue using it incase there were any more !!!! The holes have healed now but I have got 3 quite good scar’s. This hasn’t put us off return­ing or going else­where where these live, but we will take a fam­ily size jumbo pack of vaseline.

  • Greg MD

    Here is a rather gross bot­fly infec­tion (VIEWER ADVISORY [Note from Dave Cove­ney — the link below has caused me to receive a few e-mails… so I’m warn­ing you right now that the link is a pho­toshopped image and rather dis­turb­ing, but untrue and impossible. Dave]). It occurs to me that one might try Lido­caine oint­ment when could serve to both anes­thet­ize or kill the lar­vae as well as smother it and allow for an intact removal. Should be in every first aid kit to the endemic areas. Also, on the sub­ject of worms, be care­ful when lying on or walk­ing on the beaches where dogs run loose. The worms in their feces remain in the sand and bore up into your skin, usu­ally your feet/legs, abdo­men or back and move area as a vis­ible line called Cutaneous Larva Migrans. I have seen many a patient with this return from the Mex­ico, Jamaica, etc. Treat­ment is eas­ily per­formed now with anti­bi­otic worm pills once recog­nized. Cheers.

    Note from David Cove­ney added: The link that Greg included below is of a photo that is a well known bit of pho­toshop work. It is, how­ever, a rather dis­turb­ing image and you may wish not to click it. Whatever you do think, don’t worry — cases of mul­tiple infest­a­tions are pretty rare.

    http://picasaweb.google.com/alamarina/Botfly02/photo#5202511801956685650 [pho­toshopped image]

    By David again — a link to Snopes on this: http://www.davesgonemental.com/wp-admin/comment.php?action=editcomment&c=13189

  • Edith

    Incred­ible! And yes, they are quite gross, but the mites which carry Lyme dis­ease scare me a whole lot more because you might miss the early warn­ing signs.

  • Hi. Thanks for shar­ing your story.
    FYI: Another method used to get these bug­gers out is to lay a slice of raw bacon on the wound. They appar­ently like this stuff and will exit the wound (much of their body) in order to par­take. You can then pretty much roll them out by rolling out the bacon strip with the self-attached to it (or at least grabbing the fly and pulling/rolling it out as in your video.

  • Went to a great res­taur­ant one night, excited about get­ting my exotic meal.

    What do I see when my plate of fresh bot­fly arrives? Damn thing is sur­roun­ded by raw steak, bacon slices and some cloudy very thick look­ing gravy that, if I didn’t know betty, I would swear was Vas­el­ine Jelly.

  • Greet­ings from the middleeast!!!

    I read your above art­icle and was totally “STUNNED”. Amaz­ing though very weird.Did you finally get the Bot­fly out.…?

    I could use this in my writeups :)

  • hayley

    im tak­ing a gap year out to go on safari in Kenya, now i am hav­ing second thoughts because bot fly pos­sibly are there, i know if i got one of these it would KILL MEE! not an overaction-i am wor­ried, i think­ing about not goin com­pletely becuase of the risk, do you think its worth miss­ing the trip, incase i get one of these???

  • john

    @hayley:
    I don’t think there are human bot­flies in Africa. The human bot­fly is nat­ive central/south Amer­ica. There are worse things than bot­flies in Africa, LOL.

    Also, it’s rel­at­ively rare to get them. They don’t really harm you because they stay near the sur­face in your skin and they secrete anti­sep­tic that keeps the wound infection-free.

    If you’re in an area like South Amer­ica the loc­als think noth­ing of these infec­tions and can get them out without too much trouble.

  • hayley

    thanks for the advice, they dont have worse things that live on humans in africa do they??????!!!

  • JL

    I know you warned about the pic­ture in the link, but I clicked the link from Greg MDo­be­fore see­ing your note about it being pho­toshop. Please remove it so no one else has nightmares!

  • Michael

    Reminds me of my ento­mo­logy and inver­teb­rate zoology classes back when I was in col­lege. As a trained bio­lo­gist I’m not at all phased by snakes, spiders, scor­pi­ons, centi­pedes, worms, or most of the other crit­ters that give most people the willys, but I CAN’T STAND para­sites! YUK!!!!

  • Peter

    Hello :

    This is a fas­cin­at­ing thread. I never real­ized that Bot flies live here in the great white north. But I did a bit of research after I found one on my dog’s rib cage today! She had a large lump about 1/2 the size of a golf ball on her left rib cage. (this after a sail­ing cruise in the North Chan­nel at the very top of Lake Huron). I did not think to much of it but today I had another look and notice a rather large hole in the centre of the lump. It was weep­ing a watery fluid mixed with blood. I dabbed it with a tis­sue to get a bet­ter look and to my sur­prise I noticed a small whit­ish thing come to the top of the hole and sink back down again. It would do this every 10–15 seconds or so. I imme­di­ately thought of the Bot Fly but erro­neous thought it was a trop­ical para­site. In any case I did the Vas­el­ine treat­ment and man­aged to coax it out far enough to get tweas­ers on it. With a slow and steady pull out came this large mag­got! My 7 year old boy was fas­cin­ated as was I. Any­way, I have it in a jar of alco­hol and I am tak­ing it to the Vet tomor­row for a pos­it­ive ID. Is there any other treat­ment, after the extrac­tion other than keep­ing the wound clean until it heals? I cleaned it with hydro­gen per­ox­ide and put some anti­bac­terial cream on it. The rest of the fam­ily are keep­ing a close eye out for strange red­dish lumps on them­selves … so far so good !

    Peter

  • Joanna

    Went to Bel­ize for a week and after being home for two days noticed two bumps on my scalp close to my right ear. Didnt think any­thing of it until my lymph nodes became the size of a pea. Then I got a fever. Went to the Redi Care Cen­ter and the damn doc­tor told me I prob­ably had breast can­cer due to the fact that the lymph nodes on my neck were swollen. Jerk! So then I went to a GP and they had no clue, thought I had cysts that were infec­ted and gave me anti­bi­ot­ics. Well, then I went to Kenya for two weeks and dealt with the sharp pain and ooz­ing. After a while I just put ice and more gel on them. This prob­ably killed the lar­vae. Finally after six weeks I found a doc­tor that wanted to do a cul­ture and as he was extract­ing the fluid, he star­ted dig­ging around and sure enough he pulled out two! I about puked when I saw those mag­gots. He called a patho­lo­gists and describe the little bug­gers and that’s how we found our about Bot Fly! Yikes.…..glad that is over with.

  • Diana

    I recently returned from Bel­ize 2 weeks ago and I also just removed my own Bot Fly. After 2 weeks of pain, ooz­ing, and blood I figured it was some­thing more then the aver­age mos­quito bite. US doc­tors have almost no exper­i­ence with this and often pre­scribe anti­bi­ot­ics. I looked onine and found some stor­ies, but not many since it’s thought to be very rare to con­tract this. I did try pet­ro­leum jelly and a bottle cap but what actu­ally worked for me was a band-aid and neo­sporin. After 2 days of con­stant cov­er­ing, the tiny spir­acle stuck out and I was able to remove it with tweez­ers. I have named it Iggy and am keep­ing it as a souvenir. Good luck to future hosts…

  • Diana

    Hi,
    I still have my “warble” and it is a bit sens­it­ive. I removed my bot-fly on Tues­day ( 3 days ago) with tweez­ers after weak­en­ing it for 2 days with a band-aid and news­porin. I have com­pared my pics to Dave’s, and I don’t know if I can see the tiny hook at the end of the mouth. Also, it looks like there is some min­imal dam­age to the bot fly,not sure if it’s when I mushed it in the nap­kin or dur­ing extrac­tion, but I def­in­itely have the major­ity of it out. If there are small pieces still inside me, can my body fight it off??

  • Jan Belton

    I too picked up a bot­fly larva in Bel­ize, although I didn’t real­ise it at the time. I trav­elled on to Cuba and when the bite wasn’t heal­ing I sought med­ical advice and was referred to a clinic in Havana. The larva was removed and the wound thor­oughly cleaned. I was also given a course of anit­bi­ot­ics. I was advised by the spe­cial­ist that the lar­vae should not be left until they emerge or attempts made to remove them your­self because of the risk of infec­tion. The bite has now healed. Hope this helps.

  • Trina

    Ok, so my hus­band and I got mar­ried in Mex­ico, then traveled to Costa Rica and Belie…We were on the road for a total of 30 days. We have been home for about 2 weeks now and he has this THING on his head that is not get­ting bet­ter with anti­bi­ot­ics (that he has been on for 10 days now) and has been peri­od­ic­ally shoot­ing pain through his head. It was ooz­ing puss at first (2 weeks ago) and then it bled out watery blood on his pil­low one night about 5 nights ago. He has 2 really hard lymph nodes on the side of his neck. We have been to the ER twice — then to the ear nose and throat doc, now have had 4 vis­its to the infec­tious dis­ease spe­cial­ist. All blood work is clear and no growth on the cul­ture. Today, the ID said it might be a bot fly! GAG!!! I was gag­ging the whole way home as my hus­band was like, “cool, it’s my mini me!” We go tomor­row to the der­ma­to­lo­gist and he’s gonna cut him open and we will see what is hid­ing inside. We had the same exper­i­ence in the Bel­ize jungle, my husband’s back and head was COVERED in mos­qui­toes and the jungle guide didn’t have one on him (lucky punk). I’ll video tape the mad­ness — I can’t wait ;)

  • Trina

    It was a Bot­fly mag­got!!! Gabe came home last night, he squeezed the bump and sure enough — the mag­got poked out and went back in — poked out and went back in — did it a few times and then we decided to go up to the ER to let them pull it out — we needed an extra body to help so I could run the video cam. We put pet­ro­leum jelly on it for about 1 minute then wiped it off, the doc­tor (and 10 fas­cin­ated nurses) came in, Gabe squeezed and like a can­non — that mag­got came fly­ing out. Goo all over the place and all over me and the mag­got landed on my video cam­era. It was so gross! Mys­tery solved! Gagarific.…

  • Stephanie

    Wish I’d prin­ted this lot off dur­ing my many vis­its to my GP clinic. I kept telling them I had some­thing mov­ing in my back. I kept telling them that I’d been in the Per­uvian rain­forest. I kept telling them that it was like a red hot needle push­ing into my back (so pain­ful I had to stop the car to recover). I kept ask­ing them why the wound would not heal. I TOLD THEM IT WAS ALIVE!!! But 5 weeks and 2 strong courses of anti­bi­ot­ics later I was beside myself and went to A&E. A scan showed a for­eign body. I assured them that it was anim­ate but they said not, they said that it was not wav­ing — how ter­ribly droll. A doc­tor cut me open and found noth­ing. I sug­ges­ted that whatever it was had retreated down into it’s bunker. They smiled con­des­cend­ingly and sent me away for a week. 2 days ago and 5 weeks after return­ing from Peru, a won­der­ful lady sur­geon opened me up again and removed what looked like a pea or seed head. By the time she had washed up the little bleeder was crawl­ing across the table and we were both retch­ing! It was MASEEEEV!!! Really fat, it had abvi­ously been hav­ing a whale of a time in there! I had been very sick in the jungle and I’m not sure if this was related, but I am totally trau­mat­ised at this point and keep won­der­ing if there are any more in there. If you think you have one print off the info for your GP, they know jock all about any­thing odd and never listen to what the patient has to say, I am proof of that. Makes for a great story though and the pho­tos are so gross they fas­cin­ate every­one! Good luck to all you hosts.

  • sightunseen

    I’m quite sur­prised that no one has made a joke about the scene from
    ’Ali­ens’ where the creature burst out of the guys chest. Or maybe its just me.

  • slayden

    Got back from a trip to Bel­ize a week ago and am pretty covered with mos­quito bites which are col­lect­ively 1–2 weeks old, and seem to be “itch­ier” than typ­ical bites. They are not really swell­ing up or any­thing (yet?), but still have a potent itch. I have scratched most to the point of hav­ing scabby wounds on the top, which could be either con­ceal­ing a cir­cu­lar air hole (or this scratch scab wound itself is the pre­curser to the air hole?). I do not have any loc­al­ized pain, open or ooz­ing wounds, or really enlarged bite sites bey­ond a basic bite.….. Does this match anyone’s “early signs” of bot­fly or have I escaped with only a bunch of bad mos­quito bites?

  • Ben

    My name is Ben and I gave birth to a bot­fly lar­vae today. We spent 8 days in Costa Rica on our hon­ey­moon in late Septem­ber. I don’t recall any mos­quito bites but one must have got­ten to me.

    I had an ooz­ing lump on my head for over a month but I don’t care for doc­tors and it wasn’t infec­ted so I left it alone. Earlier this week, my lovely wife insisted I go to a doc­tor and see what was wrong so I went. I was told I had a sebaceous cyst and I had to go to Plastic sur­geon to have it removed. I couldn’t get an appoint­ment right away so I did some research on cysts. By divine inter­ven­tion, I guess, the first link I found had a ref­er­ence to a bot­flies. With noth­ing bet­ter on which to waste my time, I clicked to see where this folly led. Our travel to Cent­ral Amer­ica, the life cycle of the bot­fly and my symp­toms indic­ated a strong pos­sib­il­ity of a bot­fly. The first two doc­tors spent a grand total of 1 minute listen­ing to my symp­toms and travel his­tory and about 4 seconds look­ing at the bump on my head. Not exaggerating.

    I went to a high dol­lar plastic sur­geon today. He politely listened to my travel his­tory, symp­toms and detailed descrip­tion of bot­flies. Pro­ceeded to look at the bump for a minute, actu­ally looked at it. He said it was a cyst and injec­ted it a ster­oid and lido­caine to shrink it for later removal. Being a funny guy, he said he was fresh out of small needles so he would have to use a big fat one. A few minutes later, his nurse stops by to look under the gauze and sees some­thing pok­ing out. She grabs some tweez­ers and starts pulling. I told her to pull gently so it would come out in one piece. I guess the lido­caine did it job and fully relaxed the little bas­tard. After a few “oh my god” “this is dis­gust­ing” “the Doc has to see this” I’m the proud father of a 2cm long Bot­fly larvae.

    To sum­mar­ize: Two-three weeks after return from Costa Rica, I get a itchy welt on my head. About a week after that, it starts weep­ing clear fluid. About two weeks after that, I noticed a wound site. It never gets infec­ted and it never closes. No pain or any­thing yet but it isn’t going away. Some­times the fluid is a little bloody red but never blood. The last few days, I had stabbing burn­ing pain for maybe one minute once a day.

    US doc­tors have no clue about this. The last doc­tor spent time listen­ing to me but he didn’t believe it until he saw it.

  • liz

    me s-o-o-o-o-o-o sorry wat happened to you.….did u c wat happened to a 5 year old in costa reca? he had 1 n his eye. s-o-o-o-o-o-o-o-o sad!

  • Estella

    I would like to point out that who­ever said you can­not get bot flies in Africa is wrong.
    my dad went (Gam­bia) about 5 months ago and noticed his feet turn­ing black and numb then after hours and hours of pok­ing around found 9 of them in his feet.
    They had been chew­ing on the nerves!

  • j

    wow this is so crazy my sis­ter just told me about her friend com­ing back from peru not to long ago with some bites 4 on her head an one in her lip..imagin that her lip.. she went to two diff doc­tors and both were say­ing that it was a fever blister of somesort.. they just gave her pain meds. and sent her on her way.. a week later she went out with some friends drinkin and she felt somethin pokin her lip in the inside an she flipped her lip to show her friend „ wich told her to leave home or to the hos­pital right away.. she went home to find a black thing stick­ing out of her lip ( the inside top) she then star­ted to pull it out with tweez­ers to find a thick worm.. she freaked and ran downs stairs to her mom which then pulled the rest of it out for her.. aswell as the one in her head.. after pulling 2 out the went to the ER wich every­one there was star­ing at her all like ( thats the one with the worms in her) they then pulled the rest out.. when she told me about this it really grossed me out… i then looked it up online and it was really gross..i cant imagen any­kind of bug liv­ing in me for a long period of time.. i will never leave the U.S

    • J — noooo — don’t ever think it’s a good idea to not travel because of a few scary bugs. Nasty things can hap­pen in the US (like being shot by a bat­shit crazy sur­viv­al­ist), UK (being rained at until you dis­solve) or even in your own home when you trip or slip.

      Travel broadens the mind. Do it :-)

  • Andy

    I came to this site after read­ing
    Lost in the Jungle: A Har­row­ing True Story of Adven­ture and Sur­vival by Yossi Ghins­berg — I am shortly going to the same area of Bolivia! still fore­warned is fore­armed so I will be tak­ing the biggest jar of vas­el­ine in the UK.

  • Rae Badour

    I just returned from Roatan, off the coast of Hon­duras with crazy sand fly bites, and an unusual bite on my foot, right on the arch. I saw my Dr toady who is clue­less, and pre­scribed a lice lotion 2x daily. I’m won­der­ing if it may be a bot fly. It star­ted as a itchy bite, with a black pin­hole at cen­ter. a few days later, it showed two pin points and was itchy. This pro­cess has happened a few more time, each about 3 days apart. I now have a line of five little black pin­points in a row about 1.5 inches long on my inner arch. Does this sound famil­iar? Any and all advise wel­come and needed!!

    • Sounds very strange, but noth­ing like a bot­fly that I’ve heard of. Of course, I’m not a doc­tor, so hardly qual­i­fied to advise.

      In a way it sounds more like veruc­cas, which can have black pin­points in the middle, and I picked up a couple on my trips thanks, no doubt, to com­munal showers.

      If you want med­ical advice you’re best off find­ing your nearest trop­ical medi­cine cen­ter and giv­ing them a call. If you describe your symp­toms they can advise you best on the next step to take.

  • Tango Whiskey

    Not try­ing to one-up what were obvi­ously pretty try­ing stor­ies but here goes.

    Twelve in the head, one in the back fol­low­ing a month long Venezuela trip that was all back­coun­try stuff … thir­teen in all. True story. The pain as they munched their way to glory in my head was truly spe­cial .… good times.

    The usual story; doc­tor couldn’t fig­ure it out, repeated vis­its, feel­ings of motion under the lumpy skin of my decidedly pine­apple like head (they were all con­cen­trated right side just back of the hair­line), watery fluid etc. Vis­its to a der­ma­to­lo­gist ensue, fol­lowed by overnight efforts at the vas­el­ine treat­ment covered with a plastic bag (which didn’t work) and then sit­ting at the der­ma­to­lo­gist next day with strips of the meat­i­est deli bacon I could find plastered to my head for a couple of hours. That must have done some­thing because the doc then saw a breath­ing bubble as one of the little suck­ers took a gasp … and the fun began! the der­ma­to­lo­gist poked a local anes­thetic into the lump and then poked around with a scalpel before squeez­ing my head so hard I lit­er­ally could feel the skull bend­ing … and voila! a wig­gling little worm was thrust in my vis­ion covered with little scraps of tis­sue hanging from the hooks in its little body. It was about 4–5 weeks old at that point. the good doctor’s wife, also a der­ma­to­lo­gist, came to watch the fun and held my hand as her hus­band con­tin­ued with the massive brain squeez­ing for each and every one.

    A few days later one last one was taken out of my back, but we were all old pros at this by then.

    But the best part came when we later took the bacon and fed it to a friend. Nat­ur­ally we only explained where it had been and what it had been used for after­wards. Ahhh … it was nearly worth it.

    Any­way, great to have come across your site and real­ised how many other folks have had this prob­lem. I still have three of the little suck­ers rolling around in alco­hol at the bot­tom of a spe­ci­men jar some­where. I should prob­ably put them on the mantlepiece or some­thing, but its not a story I really share very often.

    I’ve since spent a lot of time in Venezuela in that area around Angel Falls but never got them again, so it could have been from bites in a more urban set­ting in those parts. Either way, if it hap­pens again I’ll def­in­itely try the vas­el­ine once more. Sorry for the long post … been car­ry­ing this one around for a while.

  • R

    I never heard of this until my found kit­ten popped this hole in her neck so I star­ted treat­ing it like a boil first day by that night this thing star­ted pok­ing it butt end in and out when I put prox­ide on it and anti­botic cream cause I thought she had infec­tion well need less to say when I say this thing pop­ping in and out I freaked my bf got twizers and when kit­ten tense up and it poked out second time he grabed it and pulled it out and I guess because of the anti­botic cream it couldnt breathe so it slipped right out very easy once out she stopped cry­ing and become her lovelable baby self I found her at like less then 2 weeks old almost dead nurse her back to health when this hap­pen I freaked cause I was like what going on now Im going to lose my kit­ten any how . well I got vet today and he said I was doing everything right . Prox­ide until tomor­row that be 3 days anti­botic cream for about 4 days maybe 5 watch for yel­low or green dis­charge if not any great sign so far NONE pray none warm com­press mas­sage gentle to help push any thing nasty out if in it so far not. He said the worse part over get­ting it out now the second part is watch­ing the next 72 hours hope no sign of infec­tion. I never ever heard of this I guess the mommy cat must have had them in rab­bit hole or they got­ten bit­ten my our trusty blood suck­ers but she just going on 3 weeks old this things was as big as the tip of my pink to the first joint they say 8 weeks if you can leave them in you or the animal they come out fall off the host and attach to some­thing else make cacoon then become a bot fly. This thing was huge I can only think how big it would have been if she was 8 weeks old and this hap­pen and this thing Im sorry was gross so like ewwwwww and smelled like Poooo yep sure did now that it out and I keep­ing her cleaner no longer smells . I just wanted to post this so the oth­ers would know u can do this and smother it to pull it out make sure the whole wolf worm comes out or you can wait 8 weeks for it to fall out but watch for infec­tion just really gross I would have to go to the doc­tor and sayd get this out of me now please I would not be able to stand it eeewwwwww any how Hope she con­tinue to do well so far so good her eyes r open now and she act­ing more her nor­mal self of a almost 3 week old kit­ten . take care fall no mys­te­toes or horse fly bites bye bye

  • Rick Bear

    Just below my left eye, there appeared what at first looked like a yellow-headded pimple. After squeez­ing it, it seemed to grow and swell, almost swell­ing my eye shut. I have tried squeez­ing repeatedly, but all that comes out is some yel­low­ish, green­ish pus, along with oil. I have been using neo­spor­rin on it. This is now four or five days old. Could it be a bot­fly?
    I’m simply try­ing to fig­ure out what exactly it is. Any advice will be wel­come.
    Thanx.

  • Matthew

    My Dog has been infec­ted with Rabbit-Robent Bot­fly maggot-larvae seeds after the immature/broken lar­vae left on it’s own after I poked and prod­ded the “warble” or scab think­ing it must be a bur­ied tick/feeling sus­pi­cious but still without answers left my dog left my dog for about 15 minutes with the inten­tion of tak­ing him for a walk. I wanted to check the scab one more time for the strange sen­sa­tion I had of it mov­ing and or swell­ing (which it was, only not with blood: but as I later learned, air!) and was shocked and alarmed to find an open wound that was “T” shaped and ~5mm x ~7mm. Only later that night I noticed 20 or so black marks around the wound, which also looked dif­fer­ent, puf­fier and after shav­ing the hair away I could make out tiny white lar­vae pro­trud­ing before slip­ping back in.

    Bo is my best friend and I’m wor­ried that no one has a clue what this is and my friends even think I might be los­ing my mind.

    Plus it’s Thanks­giv­ing week­end and noth­ing but vet techs that haven’t heard of such a thing (it’s obvi­ous many Vets don’t learn much about this either from the dozens upon dozens of “Tick under dog skin?” quer­ies on Amer­ican info shar­ing web sites and the paucity of accur­ate responses from those who should know.

    Note: my dog’s just fell out and I was nat­ur­ally ter­ri­fied still (wrongly) believ­ing it was a tick. Not until I did a search through many dog para­sites did I find a list­ing for “cuter­ebra” (genus name) in the Merck Veter­in­ary manual online (guess what every­one: dogs & cats can — but don’t typ­ic­ally — carry “dermato­bia hom­inis” which is why cli­mate change should be of con­cern to every body who lives in the lower tem­per­ate zones.

    also:

    [From the Merck Vet Manual: (treat­ment sec­tion) There are anec­dotal reports of lar­val rup­ture caus­ing ana­phyl­axis. If pos­sible, the larva should be removed in one piece; recur­rent abs­cesses at the site of pre­vi­ous Cuter­ebra infest­a­tion sug­gest resid­ual infec­tion or remain­ing pieces of larva. The area should be thor­oughly flushed with sterile saline, debrided, and allowed to heal by granulation. ]

    Thanks any­one who can offer advice. Thanks Dave — sorry you had to go through that.

    Mat­thew

  • krystin

    Oh my. My mother was told about these bot­flies at her job (Veterinarian’s Office) and I came look­ing for inform­a­tion. I’m sorry but if I ever had one of these in me, I think I would have to be insti­tu­tion­al­ized. I am so dis­gus­ted by bugs, para­sites and the like, I truly think I’d lose it. Just know­ing I had bugs eat­ing my skin would lit­er­ally sicken me to the point of insan­ity. I give all of you credit for being able to actu­ally accept what has happened and still not be afraid of leav­ing the coun­try again. Any­how, thanks for the info.

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