Heat rash, often called prickly heat or summer rash, is most prevalent in babies. Heat rash can also affect adults in hot, humid climates. Heat rash is a red or pinkish rash that can be found anywhere on the body, most especially in the folds of skin and areas covered by clothing.
Overdressing and Exercise
Heat rash can occur when a baby is overdressed or wrapped too warmly in a blanket or in fabrics that do not let a body breathe. It should be noted that heat rash can occur in any baby in very hot weather. In adults and older children, exercise or any hard work that involves overexertion can cause heat rash. Certain fabrics can also cause heat rash.
Medicines
Some prescription medicines that are used to treat bladder problems, ADHD, blood pressure and acne have been know to cause heat rash. Many over-the-counter drugs will explain on their labels if a person taking them should avoid the sun.
The Rash
Heat rash looks like small dots or tiny pimples. It is usually red or pink in color. Clothing and scratching will irritate the rash. It is usually not painful.
Treatment
Most heat rash will clear up in three to four days with no medical attention. Remove clothing and let the skin air dry after baths. Apply cool washcloths to the affected area and clip fingernails on a baby so the baby cannot scratch the area. If overactive, rest is recommended. Keep sleeping areas cool.
Creams And Powders
Stay away from most creams or ointments with the exception of calamine lotion or hydrocortizone creams. A light dusting of corn starch may help prevent heat rash in a body's folds. Do not use talcum powder on babies--it can be dangerous for a child to inhale.
When To Seek Medical Attention
If the rash worsens, if there is pain and swelling or if the area is hot, seek medical advice. Also, if a fever is present, if there are red streaks radiating from the rash, if lymph nodes become swollen, or if pus drains from the rash, call a doctor.
Is Heat Rash Dangerous?
Heat rash is not dangerous, but if the baby or adult is not cooled down, heat exhaustion or heat stroke could occur.
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