What Are Itchy Bumps on Your Tattoo?

By Staff WriterLast Updated Mar 26, 2020 8:44:44 AM ET

According to the Mayo Clinic, a raised, itchy rash on a tattoo usually is the result of an allergic reaction to tattoo ink. Red, green, yellow and blue inks are the most common offenders, but an allergy to any color ink is possible. Allergic reactions can occur immediately or years after getting a tattoo.