Lactose intolerance is usually diagnosed based on symptoms, but a healthcare provider can also perform breath and blood testing. Breath tests are also available as over-the-counter home test kits.

Medically reviewed by Robert Burakoff, MD Key Takeaways IBS and lactose intolerance both cause symptoms of diarrhea, ...

In a recent study published in The Journal of Applied Laboratory Medicine, researchers evaluated the performance of a compact diagnostic assay that can accurately and rapidly diagnose lactose ...

Lactose intolerance occurs when your body is unable to digest the sugar lactose, which is found in milk and milk products. This causes uncomfortable symptoms including gas, bloating, cramps and even ...

MILK and lactose intolerance are usually not suspected in children if they were able to tolerate milk during infancy. Nevertheless, it seemed worthwhile to investigate lactose tolerance in healthy ...

NEW YORK (AP) _ Scientists have apparently identified a genetic cause of lactose intolerance, which affects 30 million to 50 million Americans. The work may lead to a simple diagnostic blood test.

Do you get gas, bloating, or even diarrhea after you eat dairy foods? You may be lactose intolerant. This is when you can’t digest lactose, the type of sugar found in dairy products. Lactose ...

DEAR DR. GOTT: My husband claims to be lactose-intolerant, yet he happily (and without incident) consumes creamed soups, iced cream, cheese and other dairy products. He also says he is allergic to ...