During hot and humid weather, our bodies can sometimes react with a condition known as heat rash, also referred to as prickly heat. This common skin issue occurs when sweat glands become blocked, leading to irritation and discomfort.
Heat rash typically manifests as small red bumps or blisters on the skin, often accompanied by itching and a prickling sensation. While it’s not usually serious, it can be uncomfortable and bothersome.
Check out this list of the symptoms, causes, and effective treatments for heat rash –
Symptoms of Heat Rash

Heat rash mainly affects areas of the body where sweat becomes trapped beneath the skin’s surface. Some of its common symptoms include –
- Red Bumps or Blisters – These can appear on the neck, chest, back, groin, or in skin folds.
- Itching – The affected area may feel itchy or prickly, prompting scratching that can worsen irritation.
- Prickling Sensation – Many describe a sensation of pins and needles or a prickling feeling on the skin.
Causes of Heat Rash

Heat rash occurs when sweat ducts become blocked and sweat is trapped beneath the skin. This blockage can be caused by –
- Hot and Humid Weather – Sweating heavily in hot and humid conditions can overwhelm the sweat glands.
- Intense Physical Activity – Activities that cause sweating, especially if clothing is tight or traps sweat against the skin.
- Overdressing – Wearing multiple layers of clothing that affect the evaporation of sweat.
- Immature Sweat Ducts – Babies and young children are more prone to heat rash because their sweat ducts are not fully developed.
Treating Heat Rash

Managing heat rash involves relieving symptoms and allowing the skin to heal. Here are some effective treatments –
- Cool the Skin –
- Move to a Cooler Environment – Get out of the heat and into a cooler, air-conditioned space.
- Cool Compress – Apply a cool, damp cloth to the affected area for 10-15 minutes several times a day to soothe irritation.
- Keep the Skin Dry –
- Loose Clothing – Wear loose-fitting clothing made of lightweight, breathable fabrics like cotton.
- Avoid Overdressing – Opt for clothing that allows sweat to evaporate rather than trapping it against the skin.
- Topical Treatments –
- Calamine Lotion – Applying calamine lotion can help soothe itching and reduce inflammation.
- Oatmeal Bath – Taking a cool bath with colloidal oatmeal can provide relief from itching and irritation.
- Avoid Irritants –
- Avoid Harsh Soaps – Use mild, gentle soaps and avoid products with harsh chemicals that can further irritate the skin.
- Pat Dry – After bathing or showering, gently pat the skin dry instead of rubbing.
- Stay Hydrated –
- Drink plenty of water to stay hydrated, which helps regulate body temperature and prevent excessive sweating.
When to See a Doctor

Heat rash typically resolves on its own with the above treatments. However, seek medical attention if –
- Symptoms Worsen – If the rash becomes more swollen, painful, or shows signs of infection (such as pus).
- No Improvement – If the rash does not improve within a few days despite home treatments.
- Fever or Chills – If you develop a fever or experience chills along with the rash.
Preventing Heat Rash

Preventing heat rash involves taking measures to stay cool and dry –
- Stay Cool – Avoid prolonged exposure to hot and humid environments, especially during peak sun hours.
- Loose Clothing – Wear loose-fitting, breathable clothing that allows air circulation.
- Use Fans or Air Conditioning – Keep indoor environments cool with fans or air conditioning, especially during heatwaves.
- Stay Hydrated – Drink plenty of fluids, especially water, to help regulate body temperature and promote sweating.


