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How do you treat chigger bites?


Q: What are red bugs and how do you treat their bites?

A: Red bugs, chiggers, berry bugs, scrub-itch mites and harvest mites are all terms used to describe members of the family of insects known as Trombiculidae. These reddish-orange mites can be found worldwide, but they really enjoy hanging out in damp, grassy and wooded areas, especially at the edges of forests. In the United States, chiggers are mostly found in the southeast, south and midwest. They are most active from early spring to early autumn, until the first frost.

Chigger larvae might infest humans by crawling up our shoes and legs as we make our way through the scrub. What’s kind of cool is that they do not actually bite us. Likewise, they do not burrow into our skin, and they do not suck our blood. Instead, chiggers use their mouths to drill tiny holes into our skin through which they secrete specialized salivary enzymes designed to break down our skin cells from the inside. Then, they slurp up the mixture through a tube formed by hardened skin cells called a stylosome. Basically, it’s like drinking a big “YOU” protein shake!

Your skin does not take too kindly to all of this drilling and parasitic digestion. Consequently, humans typically develop intensely itchy, bright red pimple-like bumps or hives or a generalized skin rash in the areas where the mites were attached, even up to 24 to 48 hours after exposure. Chiggers prefer to attach to skin at areas where the clothing fits tightly against the body, such as at the tops of socks or around the elastic edges of underwear, so a rash in these areas may be a clue to the specific cause.

So, what can you do for a chigger rash? First, forget the old myth of applying fingernail polish to the affected areas. Chiggers do NOT burrow into the skin, so trying to suffocate the mites with polish makes no sense at all. Second, chiggers do not lay eggs in the skin, so stop worrying about that.

chigger-2Chigger wounds are a complex mixture of mechanical damage to the skin (the drilling), enzymatic disruption of the skin (the digestion), and your body’s own attempt to get rid of the parasite. Consequently, the most important thing to do is to prevent chigger infestation. Avoid camping in warm, moist temperate climates of high mammal density, including livestock pastures, natural parks and preserves.

If the area is infested, get out of there quickly and wash your skin vigorously with soap and water. Itching is best alleviated through the use of topical corticosteroids (either over-the-counter hydrocortisone 1% ointment or prescription strength from your physician) and anti-histamines like Benadryl. Watch out for severe rashes that can become secondarily infected with bacteria; in these cases, consult a doctor immediately.

Now you know a “mitey” bit more about chiggers than you did before!

249 Comments on How do you treat chigger bites?

  1. 70% rubbing alcohol. Constantly rub alcohol on the areaand I’m from Mississippi in the deep South and we have them bad especially in the woods

  2. Grogan child // June 5, 2013 at 3:24 pm // Reply

    I was scared but since I researched it and found out how to fix it thanks guys

  3. use pine oil works in one day!!!!!

  4. Medicated Chapstick works within a day or so if applied early

  5. Berry Picker // June 1, 2013 at 9:02 am // Reply

    My grandmother made sure we wore long pants and tennis shoes if we were going out in the “scrub”. She would dust us with sulfur. The red bugs got on the grandkids who refused the sulfur treatment. The sulfur washed off in the bath tub. The red bug bites didn’t. I personally prefer to use Off on my kids. It’s not quite as effective as the sulfur was, though.

  6. Anonymous // May 30, 2013 at 7:22 am // Reply

    I got them in the woods. They got on me (could not see them) Sunday, Memorial weekend. I am still fighting them , itching like crazy !!!!!Took a bath and scrubbed them and put itch cream on the bites. When , I got home Monday I put bleach on a Q-tip and dabbed the scratched areas really well. That seemed to help a little on most of the bites. I notices that some of them didn’t come up until Tuesday.

  7. Vicks Salve, or Vicks Vap O Rub as some call it. Believe me it works……

  8. firsttime // May 1, 2013 at 7:59 am // Reply

    diluted clorox bath

  9. Good pirate // April 14, 2013 at 9:00 am // Reply

    Premetherin Cream, you need a prescription for it.

  10. ice !!!! they hate cold

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