What? Get rid of the rash. Come on.

Prickly heat is caused by long-term retention of sweat in the skin. To relieve the symptoms of prickly heat, first of all, to ensure that your skin is dry and clean, you should wear some breathable clothing. Secondly, you can use calamine lotion to astringe, or use talcum powder to keep the skin dry, which can make prickly heat get better treatment effect.