Most rashes are not dangerous to a person unless they are part of an infectious disease such as chickenpox. In adults mostly are due to allergies or focal self limiting infections
.Many rashes last a while and get better on their own. It is therefore the treatment offered is symptomatic for symptoms like itchy and/or dry skin for a few days to see whether the condition gets milder and goes away.
Nonprescription (over-the-counter) remedies include
• anti-itch creams containing camphor, menthol, pramoxine (Itch-X, Sarna Sensitive), or diphenhydramine
• antihistamines like diphenhydramine (Benadryl), chlorpheniramine
), or loratadine (Claritin, Claritin RediTabs, Alavert); and cetirizine
• moisturizing lotions.