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Doctor insights on: Heat Rash

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Heat Rash (Overview)

The medical term is miliaria. A heat rash is a skin irritation that typically occurs during hot or humid weather. It results when sweat ducts are blocked, and sweat builds up under the skin. Symptoms of a heat rash include small red bumps and vesicles that are itchy and irritated.


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What is the cause of heat rash? Some people tolerate heat well

What is the cause of heat rash? Some people tolerate heat well

Heat rash: The real heat rash is called Milaria and there are several forms. It may be caused by the occlusion of sweat glands for unknown reasons in most cases. Occlusion, like wearing tight shirts or sitting against leather or vinyl chairs, can lead to this. Commonly, this is seen in bedridden patients. ...Read more

Heat Rash (Overview)

The medical term is miliaria. A heat rash is a skin irritation that typically occurs during hot or humid weather. It results when sweat ducts are blocked, and sweat builds up under the skin. Symptoms of a heat rash include small red bumps and vesicles that are itchy and irritated.


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Wat is the best treatment for heat rash?

Wat is the best treatment for heat rash?

Heat Rash Treatment: Since heat rash is essentially a sensitization reaction to "heat" the choice of treatment is to allow the natural healing of the skin and an avoidance of further exacerbations (more sun, scratching, chemicals, etc) common treatments involve mild cortisone or other corticosteroid creams, cool environment, and avoidance of tight or occlusive clothing articles. Goes away on its own even doing nothing. ...Read more

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Treating Heat Stroke (Checklist)

Get into an air-conditioned area as soon as possible
Once
Take a cool bath or shower
Once
Rehydrate with water or a sports drink
Once
Avoid alcohol
Once
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What is a heat rash?

What is a heat rash?

Heat rashes occur: Heat rashes occur, and are not uncommon. Sometimes it's related to sweating a lot, with or without "blocked" sweat glands or oil glands. Other times it's related to sports equipment friction, bacteria, moisture, etc... Being in a hot tub can lead to a "hot tub" rashes. Rashes are difficult to describe in words, so it is best to have a doctor look at a rash. ...Read more

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My daughter was told she has heat rash. What does this mean?

My daughter was told she has heat rash. What does this mean?

Probably nothing: "heat rash" is one of those generic terms that people use when they don't know what is going on. You need to see a dermatologist and get a precise diagnosis. ...Read more

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My 3 month old grandaughter has red rashes on her tummy and its weeping. How to treat it and is it heat rash?

My 3 month old grandaughter has red rashes on her tummy and its weeping. How to treat it and is it heat rash?

Rash: This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes.
Once accurately assessed a treatment plan can be developed. ...Read more

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How can I identify if my baby has heat rash or eczema? Her rashes are red and its flaky on her face, because of dryness her cheek has a small cut now.

How can I identify if my baby has heat rash or eczema? Her rashes are red and its flaky on her face, because of dryness her cheek has a small cut now.

Eczema: Rashes with dry looking, flakes, itchy are likely to be eczema. Heat rash are pinpoint red rash. For eczema you need a good moisturizer. ...Read more

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Wat is the best treatment for heat rash?

Heat Rash Treatment: Since heat rash is essentially a sensitization reaction to "heat" the choice of treatment is to allow the natural healing of the skin and an avoidance of further exacerbations (more sun, scratching, chemicals, etc) common treatments involve mild cortisone or other corticosteroid creams, cool environment, and avoidance of tight or occlusive clothing articles. Goes away on its own even doing nothing. ...Read more

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I used johnsons baby lotion on my 5 week old baby. He developed acne on face. Not sure I its heat rash or acne. How to check and what's the treatment.

Avoid lotion face: I would advise avoiding johnsons baby lotion on the face. It is not needed. Baby acne is secondary to hormonal changes and usually resolves spontaneously. ...Read more

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Can I tell me how I can get rid of heat rash?

Can I tell me how I can get rid of heat rash?

Cool down: Cool down. Loose clothing to allow skin to breathe. Barrier to keep skin from rubbing ...Read more

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How can I prevent heat rash?

How can I prevent heat rash?

Don't over-layer: Most babies get heat rash by being over dressed and over heating. This causes irritated skin and excess sweating leading to red, bumpy skin or 'prickly heat' or heat rash. Dress baby in only the number of layers that you need to keep warm and don't over dress. Otherwise keep baby cool and you should see less rashes. ...Read more

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How to avoid heat rashes from tanning beds?

How to avoid heat rashes from tanning beds?

If you avoid: The tanning bed - you will avoid the heat rashes as well as your risk for skin cancer. ...Read more

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Why do I get heat rash in clevage with sportsbra? How should I treat it besides going braless?

Why do I get heat rash in clevage with sportsbra? How should I treat it besides going braless?

Intertrigo: Intertrigo is an inflammatory condition of skin folds, induced or aggravated by heat, moisture, maceration, friction, and lack of air circulation. Intertrigo frequently is worsened or colonized by infection, which most commonly is candidal but also may be bacterial, fungal, or viral. Intertrigo commonly affects the axilla, perineum, inframammary creases, and abdominal folds. ...Read more

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How can I identify if my baby has heat rash or eczema? Her rashes are red and its flaky on her face, because of dryness her cheek has a small cut now.

Eczema: Rashes with dry looking, flakes, itchy are likely to be eczema. Heat rash are pinpoint red rash. For eczema you need a good moisturizer. ...Read more

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My 3 month old grandaughter has red rashes on her tummy and its weeping. How to treat it and is it heat rash?

Rash: This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes.
Once accurately assessed a treatment plan can be developed. ...Read more

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What is a heat rash?

What is a heat rash?

Fine red rash: Medical term -- miliria rubra. Fine red bumps all over sweaty areas, with sometimes burning, tingling or itching. Also called prickly heat. ...Read more

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What is a heat rash?

Heat rashes occur: Heat rashes occur, and are not uncommon. Sometimes it's related to sweating a lot, with or without "blocked" sweat glands or oil glands. Other times it's related to sports equipment friction, bacteria, moisture, etc... Being in a hot tub can lead to a "hot tub" rashes. Rashes are difficult to describe in words, so it is best to have a doctor look at a rash. ...Read more

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Can heat rash spread?

Yes it can: It can spread if the heat and sweating continues, which causes the heat rash to start with
so if you want to prevent the spread use airconditioning or fan and avoid heat and humidity. ...Read more

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Does heat rash spread?

Does heat rash spread?

Keep cooler: Heat rash usually resolves in a few days unless you continue to sweat too much. So dress in cooler clothes or remove a layer of clothes, blankets, etc. Try not to use any topical creams or ointments that can also hold in heat. Keep cooler and the rash should go away on its own. Cool water will feel good on the rash. Solarcaine gel would help with comfort also. ...Read more

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How to stop heat rash itch?

How to stop heat rash itch?

Cold compresses: For immediate relief cold compresses with milk on a paper towel to remove the heat from the skin. Oatmeal baths are soothing. Topical steroid lotion can also help. As a preventive an absorbent powder such as zeasorb. ...Read more

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Does heat rash always itch?

Does heat rash always itch?

Not always: There may be discomfort with heat rash, but is usually not described as itching.

Always remember though, symptoms will vary greatly between patients, and itching is possible. ...Read more

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What will help a heat rash?

What will help a heat rash?

Keep cooler: Heat rash usually resolves in a few days unless you continue to sweat too much. So dress in cooler clothes or remove a layer of clothes, blankets, etc. Try not to use any topical creams or ointments that can also hold in heat. Keep cooler and the rash should go away on its own. Cool water will feel good on the rash. Solarcaine gel would help with comfort also. ...Read more

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How can I treat a heat rash?

How can I treat a heat rash?

Cool and dry: Try any of the various powders like gold bond or cornstarch to keep everything cool and dry. ...Read more

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Will heat rash ever go away?

Will heat rash ever go away?

Over time: Over time. However, if it is not a heat rash, seek help of physician to find out the true cause of the rash. ...Read more

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How long can heat rash last?

1 week: Depending upon the depth of the reaction. But essentially 7 days. ...Read more

Dr. John Chiu
2,673 Doctors shared insights

Rash (Definition)

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Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more