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Mango Worm: Another Creepy Crawly that Emerges from the Skin

mango worm
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I think we’ve maxed out our “photos that make you queasy” quota, so we will go with a g-rated picture of some mangoes for this post. If you want to see more graphic content, you can scroll down to the video we have embedded in the post.

What are mango worms?

First, the mango worm goes by many names. It is technically a fly larva and it also goes by the names mango fly, putzi fly and tumbu fly depending on where you are. It is found throughout tropical areas of sub-Saharan Africa, but is more common in certain regions (Central Africa, for example).

The worm works like this:

  1. Adult female worm lays a few hundred eggs into the soil OR onto some damp clothing that is hanging out to dry.
  2. The larvae penetrate the skin of the host and take up residence in the subcutaneous tissue, a layer of skin that has fat and connective tissue filled with blood vessels and nerves.
  3. Then they grow and fatten up.
  4. After 8-12 days, a boil will have formed.
  5. It will itch and then get increasingly painful before it…
  6. actually opens up so the worm can come out to play.
  7. The worm then falls to the ground where it buries itself in order to go into its final stage of growth before turning into a fly.

Got it? Good.

How can mango worm be prevented?

Mango worm is generally very uncommon for travelers to come across, but there are certainly a few steps you can take to really minimize your risk. For one, do not walk around barefoot on soil. By the same token, don’t roll around in the soil. Never a good idea.

As far as your clothes go, if you are in an area where mango worm is prevalent, it would be best to machine dry your clothes or iron them after leaving them out to line dry. The heat will effectively kill the larvae.

Mango worm treatment

There is no medication you can take that will kill the mango worm. You simply have to wait for it to come out. Alternatively, you can cover the boil with vaseline or a similar product and wait till the worm pops out on its own (the vaseline will cut off its access to oxygen). In rare cases, a visit to a clinic may be required to extract the worm.

Mango worms do not pose a serious health risk. They do not carry other diseases with them and they do not cause complications themselves outside of the boil that they create. It is important, however, to remember to thoroughly disinfect the area after the worm has emerged from the body.

For a (graphic) visual demonstration of mango worm extraction, have a look at the video below.

Mango worms should not be your primary travel health concern when traveling. In most cases, travelers will not come across them. That said, you should always visit a travel health clinic before traveling to your destination to become familiar with the possible health risks that exist there. If mango worm is present, the doctor will be able to offer additional advice on the level of risk, prevention, and treatment.

Have you ever had mango worm before? Please share your experience in the comments below.

Photo credit: http://www.flickr.com/photos/bert-trapp/5874529488/

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{ 21 comments… add one }

  • Heather April 8, 2013, 5:26 pm

    Hi, just wanted to let you guys know that the YouTube video has apparently been removed. Just wanted to let you know so that you can put a new video up on this article. c:

    • phil May 5, 2013, 11:13 pm

      Hey Heather,
      It looks like it’s still there. Working for me, anyway. — Phil

  • Sarah May 5, 2013, 11:12 pm

    I have been living in Africa for the last ten months. I have heard so many stories about people and animals animals getting mango worms….
    I never thought the day would happen, when I would get them. For a few days I just thought that I had big mosquito bites, but they became really painful…until tonight I just decided to squeeze the bumps, and sure enough a little worm popped out!
    I had put neosporin on them, and I guess that is what suffocated them to come out.
    I am currently freaking out, as this all just happened about twenty min. ago.
    I was reading some articles that said that it is important to take antibiotics when you realize you have mango worms, but I am not sure.
    It looks like from this article, that antibiotics may not be necessary.
    Well, I think I will go back to freaking out now.
    Just wanted to share my story.

    • phil May 5, 2013, 11:16 pm

      Hey Sarah,
      Sorry to hear this!! The good news is that while mango worm is certainly an unsettling thing to have, it is not life threatening by any means and there shouldn’t be any further complications once the worm comes out. You should make sure to clean the area, however, and then apply a topical antibiotic (like neosporin). If the area does get red and swollen in the coming days, and it’s hot to the touch, you may have an infection and you should go to the doctor. If you clean it and apply the topical antibiotic, however, you should be fine. Thanks for sharing your story, I hope you feel better!
      - Phil

      • Sarah May 6, 2013, 12:53 am

        Thank you so much Phil, you have helped me not freak out as much.
        I am going to throw all my clothes in the dryer as well..to make sure all of them are gone forever!
        I really appreciate your reply. Thank you!

  • Tami May 9, 2013, 8:42 pm

    I heard about this worm when a German doctor who had spent many years in Nigeria asked me if we had tumbo worms in Kenya. After he described how they come out your skin, telling me he’d experienced them, from neglecting to check his air-dried clothes once – I was like, NO, we don’t have them, THANK GOD. Happily, the only problem you can get from hanging clothes to dry in Kenya is if you don’t pull them down before the afternoon rains and the wind knocks them into the mud.
    Anyway thanks for the article, Phil! Always like hearing what you have to say, even when the ewww factor is pretty high! :)

    • phil May 10, 2013, 9:27 am

      Yeah, it’s a relief knowing that they are not around! They are a lot more prevalent in West and Central Africa it seems. I’ve never had a bout of them, though, *knocks on wood* and I can be careless at times when drying my clothes. Thanks for stopping by, Tami – always good to hear from you :)

  • hailey February 3, 2014, 1:34 pm

    im 12 and I was just wondering what mango worms were I heard my my mom talking about it it sounds gross I would like it if you had a picture of them because I was wondering if my cousin had some please write back ASAP.

    Thank you,

    • phil February 3, 2014, 5:28 pm

      Hi Hailey,
      We didn’t want to put a lot of pictures here because they are quite graphic. However, you can do a simple google image search to see photos of the mango worm.

  • john April 2, 2014, 2:12 pm

    We have a Keets mango tree here in hawwaii, the mangos are sometimes infested with small maggots or worms, are they sub-dermal parasites as well?after reading about the african mango fly, I am turned off on Mangos. and papayas and guavas. I am not really excited about being an incubator for parasite larva no matter how good the fruit tastes, I guess I should eat only radiated “Safe store bought food?”

    • phil April 2, 2014, 5:35 pm

      Hey John,
      This parasite is mainly found in sub-saharan Africa. You shouldn’t have to worry about a thing in Hawaii!! Enjoy your mangos!!

  • Naomi April 20, 2014, 8:28 am

    I have been struggling with a mango worm in my let, I have tried Vaseline etc., its getting more inflamed and won’t come out, the pain is absolutely excruciating, can I put quadriderm on as I live in South Africa? The whole just seems to be getting bigger, please can someone give advise

  • Naomi April 20, 2014, 8:29 am

    Does hot water help to smother the mango worm, so that they don’t get oxygen?

    • phil April 20, 2014, 9:18 am

      I don’t see why quadriderm would do any harm. It also may not bring a resolution, either. I have never heard about hot water working in this matter and I’d be worried that you could burn yourself. If it is really excruciating you should go to a medical center and have it looked at.

  • Marchell May 2, 2014, 8:59 am

    I have been living on the border between Namibia and South Africa for about 9 Years. Only recently (about 4weeks) my small dog got infected by these mango worms! I extracted them, but they keep appearing! We machine dry and iron all our clothes, but I fear it will only be a matter of time before one of my children or us will be hosts! is there any way we can prevent these flies from breading near our home?

    • phil May 2, 2014, 10:01 am

      Hey Marchell,
      Sorry to hear about this. Preventing the flies from breeding near your home can be tricky. You may be doing your best already (ironing your clothes). Another place that tumbu flies lay eggs is in soil contaminated with animal waste. Unfortunately, this can be harder to control. If you have any pets, you can try to clean up after them outside. Other than that, not much you can do to control the breeding of these flies!

  • Debra Reynolds November 5, 2014, 8:05 am

    Hi Phil, only just came across your website and realise the posts were from a while ago so I’m sure someone’s already pointed this out to you – the video you show has mainly botflies being extracted not mango worms, these are so different. There’s some great videos on youtube from a vet in the Gambia showing the removal of mango flies. I won’t tell you how to suck eggs but generally the mango worm is much easier to extract than the botfly. The mother fly (of the mango fly) lays her eggs on sand and soil so dogs and other domestic animals are more prone to contract them. Sorry Phil, I don’t want to step on your toes but as an RN with a special interest in tropical medicine I know how
    confusing all these parasites can be, happy travels, Deb

  • Halima Shaw December 31, 2014, 6:58 pm

    I have never had a mango worm before but it sounds scary. I went to North West Africa in Morocco last summer. But people in Morocco don’t have mango worms not even in the country side! So there’s obviously no mango worms there. I am sooooooooo glad!!!!! Over these past days I’ve watched some of the videos with poor people and animals with mango worms and I’m really like freaked out right now!!!

  • Vera-lynn January 8, 2015, 3:13 pm

    Hi Phil just moved to Ellisras [Limpopo] from Johannesburg. I saw my dog licking his rear end and saw 3 yellow pimples, my sister inlaw said I must squeeze them because it could be mango worms, which I did and true to everything got 2 out. I then saw his chest is full of lumbs and realised there are more of them and my female is licking her private parts and guess what found 3 lumps there as well. My backyard is just sand and the dogs sleep outside. What do I do to help them!!!!!!!!!!!!!!!!!!!

  • pincel January 29, 2015, 7:41 pm

    Hi. I’m fascinated with mangoworms! I wanted to know what do they eat when in the skin? If someone knows the answer, please share it with me! Thank you.

  • Elina February 20, 2015, 3:24 pm

    there is treatment for mango flies – TEE TREE OIL!!!! Just apply it on the spot, when it starts to itch, and continue for couple of days. the oil kills the maggots. the very young maggots will disappear at all. the bigger ones will be killed but you have to squeeze them out anyway or wait, while your body will eliminate them.
    also Tee Tree homeopathic remedy is killing the maggots. this one you take orally!
    good luck!

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