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.

While occasional bloating is usually harmless, frequent discomfort can interfere with daily life and eating habits.

DEAR DR. ROACH: I am lactose intolerant and have recently learned that lactose is used in many prescriptions, but there is no warning on the information sheet. I only became aware of this after ...

Simranjit Kaur told Newsweek she thought she may have had gluten intolerance when symptoms started, but she never imagined cancer.

Most people brush off gas as a minor inconvenience. A little bloating after a heavy meal. Some discomfort that settles on its own. It feels too small to worry about. But when that discomfort becomes ...

Do you feel a pang of regret after a wedge of brie? Maybe a little queasy following a frappe? I do. I always attributed it to a low-level dairy allergy and assumed that my days of ice cream and cheese ...