Hives

Hives can also be a likely cause of rash that comes and goes. This is also an allergic reaction. Hives may develop every time your skin comes in contact with an irritant or a chemical that the skin is allergic to. Hives rashes last for at most a day and usually fades away on its own, without any medical treatment. Hives may also be caused due to insect bites and pollutants in your environment.

Treating rash due to hives:

Identifying the cause of rash due to hives is the first step to treat it. Once you identify the cause, avoid exposing your skin to the allergens or chemicals that might be causing the rash that comes and goes. Make sure you meet a medical professional if hives persist for several days or in case you develop anaphylaxis or angioedema symptoms.