There are many different types of hives -- urticaria -- with many different causes. In most cases, these puffy, red, or skin-colored bumps and wheals appear suddenly due to an allergic reaction to ...

Hives and rashes are two skin conditions that can look fairly similar. Here, experts explain the difference between hives and a rash, plus treatments.

If you're being treated for hives, your physician will want to hear what you think about your treatment. Is it working? Are your symptoms improving, staying the same, or getting worse? You may be ...