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

What are hypersensitivity reactions, ... Although hypersensitivity reactions are allergic reactions, some people may experience a non-immune anaphylactic reaction to certain drugs or foods.

Itchy genitalia, a burning sensation, and feeling breathless are all considered normal after sex, but for some, they could be ...

Medically reviewed by Jurairat J. Molina, MD Caffeine is a substance that raises alertness and boosts energy. Most adults can safely consume up to 400 milligrams of caffeine daily, equivalent to about ...

According to researchers from the Northwestern University Feinberg School of Medicine, adult-onset food allergies are on the ...

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

An allergy involves a mild to life threatening immune response to an external substance. A sensitivity, on the other hand, is typically a milder reaction associated with difficulty digesting food.

How to identify if you have a food allergy, intolerance or sensitivity. If you're having regular reactions to food, it's important to visit your doctor.