New Itchy Skin Rashes in Adults 13. There are many types of skin rashes. A rash is an outbreak of many red bumps or patches on the body. Many conditions can cause an itchy rash. In adults, several types of skin inflammation, various allergic reactions (contact dermatitis), and sometimes infection with a mite or virus can be the cause of a new.
Nov 27, 2018 · A blotchy red rash on the cheeks with groups of red papules. After 4 days, a net of red marks may appear on the arms and trunk. In the third stage, the rash only appears after exposure to Author: Tim Newman.
Aug 03, 2018 · Heat rash is a skin irritation caused by excessive sweating. It can occur at any age and it appears as a rash that itches or feels prickly, and looks like a red cluster of pimples or small blisters. Heat rash remedies include OTC creams and sprays. Usually heat rash resolves when the .