When to worry about a rash in adults

Heat rash is a skin irritation you can develop from excessively sweating in hot, humid conditions. The rash can form when your sweat ducts and glands become blocked.

Rash warm to touch toddler

Heat rash is also called miliaria, sweat rash, or prickly heat.

Heat rash is most common among young children, particularly newborns between 1 and 3 weeks old. But someone of any age can develop heat rash. In fact, up to 30% of adults living in hot, humid climates experience heat rash.

Heat rash is best treated by getting into a cooler, less humid area.

It is also important to keep the affected area cool and dry.

Symptoms of Heat Rash

Heat rash usually looks like a cluster of red pimples or small blisters. This rash is most likely to emerge in areas where your skin touches other folds of skin, such as your:

• Neck
• Groin
• Breasts (underneath)
• Armpit
• Elbow creases

Adults may also develop heat rash in places where their clothes touch their skin, such as their torso.

If you have heat rash, your skin also may feel very itchy.

You may even feel a prickly or tingling pain where the rash

diaper rash that is warm to the touch

red itchy rash that is warm to the touch