woman scratching an itch on her side, scabies

Most people get itchy bug bites. Mosquitoes, chiggers, fleas, flies, lice, midges and mites can all trigger an itch for a few days. Some people are so sensitive to the saliva of biting insects, however, that they develop persistent itching and blistering. Bug bites that blister likely will require medical attention. For example, a dermatologist consultant recommends a powerful corticosteroid gel for people who are super sensitive to chigger bites. He prescribes a tiny dab of super-strong clobetasol at the first sign of redness and itching. That can diminish the severity of the reaction. For more mild reactions, though, hot water can be surprisingly effective as this reader reports.

Hot Water for Bug Bites that Blister:

Q. I have horrible allergic reactions to insect bites. I am so sensitive that bites cause a level of itching that has me in tears. They almost always blister and look terrible.

Today, my brother told me about hot water for itching. It is my saving grace.

A. We first read about hot water for itching over 40 years ago in a textbook called Dermatology:
Diagnosis and Treatment edited by a renowned expert, Dr. Marion Sulzberger. Water needs to be hot (120 to 130 degrees F) but not so hot that it will burn skin. A few seconds is all that is needed. A hot washcloth can also help.

The theory is that heat overwhelms nerves in the skin that trigger itch sensations. The relief can last for a few hours.

How Does Hot Water Work Bug Bites?

Want to know more about how hot water works? Here is a more in-depth explanation:

“Rediscovering How Hot Water for Itches Works for Hours”

Rediscovering How Hot Water for Itches Works for Hours

Battery Powered Heat vs. Itchy Bug Bites:

There are even battery-powered devices that deliver heat to the bite. One is Therapik.  Another is Bite Helper

Readers Share Stories:

Mary in Connecticut reports:

“Hot water helps ease my itch for hours. For most of my life it has been my go-to remedy even though it doesn’t actually cure the itch. One should always find out what is behind bad itching. That said, hot water does offer tremendous relief and that is the most important thing in the moment.”

Laura in Grants Pass, Oregon has a modification on hot water for itching bug bites:

“I grab a spoon or kitchen knife that I put in a cup of hot water. Then I place the spoon over an itchy bug bite. I may have to do it a few times. I find that the itch goes away really fast after using the spoon. If the itch comes back, I just repeat the process. It feels so much better than scratching, which is far more temporary and can damage the skin.”

What Do You Do For Itchy Bug Bites?

Share your story below in the comment section.

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  1. Coralie
    USA
    Reply

    Joe Graedon, thanks so much for the post.Much thanks again. Really Cool.

  2. Molly
    Reply

    When I was pregnant with twins many years ago, the only thing that relieved the itch was a very hot shower!

  3. Sheri
    CA
    Reply

    Possibly similar to hot water, I have had relief from bug bites by applying a small dab of Capzasin cream. I think the hot “Chile pepper” effect is similar to hot water. I am very susceptible to any bug bites and I discovered this through experimenting. It is nice to get some relief from the itch and burning I experience most of the summer.

  4. PHILLIP
    TX
    Reply

    I HAVE FOUND THAT CETAPHIL MOSTURIZING CREAM IS AS GOOD AS ANYTHING ELSE FOR BITES, BUMPS, RASH, AND OTHER MINOR SKIN IRRITATIONS.

  5. Bob
    SC
    Reply

    I agree, as this has worked for me. However, as Joe has warned in the past, be careful not to burn yourself. Once your skin gets used to a given water temperature the temptation is to increase it just a little bit more and then more until you realize you are burning yourself. So always keep checking the temperature with the other hand to make sure the water isn’t getting too hot.

  6. Beth
    United States
    Reply

    This also works on poison ivy rashes; it soothes the itching and helps dry out the blisters.

  7. Jim
    CT
    Reply

    I use a hair dryer, set on high, to relieve itching from bug bites and poison ivy. Put the dryer on high, and hold it on the itch for as long as you can stand it. The itch disappears as soon as you remove the heat.

  8. Tony
    Cumming, GA
    Reply

    Hot water works great for itch relief from poison ivy and poison oak. I hold the itchy spot under the faucet and gradually increase the temperature until I feel like the itch goes away. You will have to be careful not to get too hot. The relief is immediate and lasts for hours. I’ve been doing this for years, and it works great for me.

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