In rare instances, men can be allergic to semen. Known as post-orgasmic illness syndrome (POIS), the condition is ...

Beyond the classic symptoms of watery eyes and sniffles, there are more unusual ones, which can be mistaken for other things.

In just three years, healthcare providers have seen a 72% increase in children hospitalized from severe reactions related to ...

Seminal plasma hypersensitivity can trigger allergic reactions after sex. Although it’s treatable, it’s often mistaken for ...

Reassuringly, documented allergic reactions during flights are very rare. But there are precautions you can take to reduce ...

Food intolerances, food sensitivities, and food allergies can all produce negative symptoms, ranging from undesirable to downright dangerous. Food intolerances can produce uncomfortable or ...

Ulcerative colitis (UC) cannot cause a food allergy, but some people with the condition may be allergic to certain foods, which, when consumed, may worsen symptoms.

Peanuts, tomatoes, and even exercise, can bring on food allergies, some quite dangerous. This WebMD slideshow helps identify triggers, symptoms, and tests to help keep your family safe.