
Lactose intolerance - Symptoms & causes - Mayo Clinic
Sep 22, 2025 · Lactose intolerance is a condition that makes it hard to digest the sugar in milk and milk products, called lactose. People with lactose intolerance often have diarrhea, gas and …
Lactose Intolerance: Symptoms, Diagnostic Tests & Treatment
Lactose intolerance occurs in people who lack the enzyme they need to break down lactose, the sugar in milk. It causes digestive distress when you eat dairy products.
Lactose Intolerance – Cause, Symptoms, Diagnosis, Treatment
Feb 22, 2024 · Millions of Americans can’t digest a certain sugar in milk and milk products called lactose. If you’re one of them, you have lactose intolerance. The condition isn’t harmful, but it …
Lactose intolerance - Wikipedia
Lactose intolerance primarily refers to a syndrome with one or more symptoms upon the consumption of food substances containing lactose sugar. Individuals may be lactose …
Lactose Intolerance - StatPearls - NCBI Bookshelf
Aug 6, 2025 · Lactose intolerance is a clinical syndrome characterized by gastrointestinal symptoms, such as bloating, abdominal pain, flatulence, nausea, borborygmi, and diarrhea, …
Lactose Intolerance: What It Is and How To Manage It
Oct 21, 2025 · Learn about the symptoms, diagnosis, and treatment of an intolerance to the natural sugar in milk and how lactose intolerance differs from allergy.
Lactose Intolerance: Symptoms, Causes, Tests, and More
Nov 25, 2021 · Some people are unable to digest it properly, leading to unpleasant digestive symptoms after dairy intake. This article reviews what lactose intolerance is, along with how …
Lactose Intolerance - Johns Hopkins Medicine
Lactose intolerance is an inability to digest lactose, a sugar found in milk and milk products. This condition often runs in families and can affect both children and adults. Lactose intolerance is …
Lactose Intolerance - Harvard Health
Apr 7, 2023 · What is it? Lactose intolerance is a common cause of abdominal cramping, bloating and loose stools. This condition occurs when the body does not have enough of the intestinal …
Lactose Intolerance: Causes, Symptoms and Tests - Patient
Aug 22, 2023 · Lactose intolerance is a condition in which the body has difficulty digesting lactose. Lactose is a sugar found in milk and other dairy foods. People with lactose intolerance …