Fructose intolerance causes symptoms like abdominal pain and diarrhea due to difficulty absorbing fructose. You will likely need a hydrogen breath test to diagnose fructose intolerance. Following a ...

DEAR DR. ROACH: I’m a 67-year-old female in pretty good health. The only medications I take are for my thyroid, arthritis and hormone replacement. Early last year, I was sick with a cold/flu for a ...

Lactose intolerance and malabsorption are conditions that arise from an insufficient production of lactase, the enzyme essential for the digestion of lactose in the small intestine. This enzyme ...

Malabsorption refers to the reduced absorption of nutrients from the intestine into the bloodstream. It can affect the body’s ability to absorb all nutrients or some specific types of nutrients.

Wondering if your digestive symptoms could be fructose intolerance? Experts explain what it is, how it’s diagnosed, and how to manage your diet.