When your skin is red, itchy, and irritated, it could be a rash or it might be hives. We spoke with experts to learn how to tell the difference and the best ways to manage them.

Symptoms of prurigo simplex include small, severely itchy papules and non-cancerous lesions ... skin, scaly patches, and swelling. Measles can cause symptoms such as solid, red, raised bumps.

Cutaneous vasculitis (CV) is a term used for inflammation of the blood vessels in the skin that ... painful red bumps and hard spots, small bruises, or erythema multiforme-like lesions.