Prickly Heat

Prickly heat is a type of heat rash characterized by tiny bumps or even water blisters.


  • Brought about by clogging of sweat glands, resulting into tiny bumps.
  • The forehead (under caps or visors), body folds, the upper back and chest, and the arms are the most common locations.
  • Most common when it is hot and humid.


  • ‘Prickly’ sensation.
  • The rash can look quite similar to one caused by infected hair follicles (folliculitis), there are no hair follicles in prickly heat bumps.


  • Take a bath everyday.
  • Limit exposure to the sun.
  • Always dries up sweat from the skin.
  • Wear light, loose clothing.


  • Cleanse the skin gently.
  • Apply corn starch or baking soda powder.
  • If there is excessive itching or if the rash is infected, consult a physician.