I suffered from this condition for a while and can sympathise. Retin-A (Tretinoin) is a highly effective topical cream used in the treatment of acne. Incidentally, the major constituent (Retinol) of...
Heat rash looks like a red cluster of pimples or small blisters. It is more likely to occur on the neck and upper chest, in the groin, under the breasts, and in elbow creases.