Many outside-in rashes will clear up with the right treatment, but inside-out rashes can be a little trickier, particularly those that are caused by genetics. If you have a rash that won’t go ...

Hives are generally a mild rash and aren't worrying, Gehlhausen says. If your hives require treatment because they are severe or intensely itchy, the first-line option is antihistamines ...

This rash might be a sign of Lyme disease, which requires prompt medical treatment. Flea bites can manifest as small, itchy, painful clusters of bumps that usually appear on the lower part of the leg.