Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

Have your ears or neck ever broken out in a random skin rash after wearing new jewelry? It's likely because you have a metal allergy. Here are several metals most likely to cause such an allergic ...

Understanding the causes of allergic reactions and rashes can help you find relief faster and prevent future flare-ups Allergic reactions and rashes affect millions of people worldwide, often ...

The telltale itch begins subtly – perhaps a slight irritation on your arm or an uncomfortable warmth spreading across your chest. Before long, your skin erupts in patches of redness, bumps, or scales ...