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Heat Rash In Adults

Heat rash is caused by a blockage and inflammation of sweat ducts in warm temperatures and high humidity. It is common in newborn babies as their sweat glands haven’t developed properly. It can also happen to adults and children of any age.

Is it normal for adults to get heat rash?

Heat rash also known as prickly heat and miliaria, isn’t just for babies. It affects adults, too, especially in hot, humid conditions. Heat rash occurs when sweat is trapped in the skin. Symptoms can range from small blisters to deep, inflamed lumps.

How long does heat rash last in adults?

Once you start cooling your body down, a mild heat rash could go away within a day. On average, heat rashes last two to three days. More severe heat rashes can last up to a couple of weeks without treatment.

How do I get rid of the heat rash on my back?

Followings are some home remedies:

    • Cool baths and showers: Heat rash usually eases up after the skin is cooled down.
    • Fans and air conditioners: While your skin heals, avoid excessive sweating and humid air.
  • Light, moisture-wicking clothes.
  • Ice packs or cold clothes.
  • Oatmeal. 
  • Sandalwood. .
  • Baking soda. 
  • Aloe vera.
Should you keep a rash dry or moist?

Leave the rash open to the air as much of the time as possible. Sometimes petroleum jelly (Vaseline) can help relieve the discomfort caused by a rash. A moisturizing lotion may also help.

How to prevent it?
  • In hot weather, dress in loose, lightweight clothing that wicks moisture away from the skin. Don’t wrap yourself in too many layers.
  • In hot weather, limit physical activity. Stay in the shade or in an air-conditioned building. Or use a fan to circulate the air.
  • Keep your sleeping area cool and well ventilated.
  • Avoid creams and ointments that can block pores.
  • Avoid drugs that cause sweating, such as clonidine, beta blockers and opioids.
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Dr. Sayyam Azam is a certified dermatologist who has specialized in Clinical Dermatology (Pakistan) and Aesthetic Medicine (US). During her specialization, she was involved in multiple clinical as well as aesthetic dermatological procedures such as botox, fillers, and chemical peels.  As a licensed dermatologist, she is now running a state-of-the- art Aesthetic Center (The Face Clinic) in Multan, Pakistan.


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