Alcohol intolerance is the medical term for an immediate and unpleasant reaction to consuming alcohol. Common symptoms include skin flushing, nasal congestion, and headaches. Alcohol intolerance is an ...

Exercise intolerance refers to a decreased ability to engage in physical activity usually possible for a person’s age and size. It may be a symptom of many medical conditions. Exercise intolerance is ...

The symptoms of lactose intolerance can start within hours of consuming lactose and last as long as someone includes lactose in their diet. Lactose intolerance is an inability to digest and absorb ...

Hereditary fructose intolerance is a genetic disorder. Your body lacks the necessary protein or enzyme that’s needed to break down fructose when you have fructose intolerance. That means your body can ...