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  1. 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 …

  2. Lactose Intolerance: Symptoms, Diagnostic Tests & Treatment

    Signs and symptoms of lactose intolerance may include: Bloated stomach. Intestinal gas. Nausea and vomiting. Stomach pain and cramping. Stomach gurgling or rumbling. Diarrhea.

  3. Symptoms of Lactose Intolerance - Signs You May Might Have It - WebMD

    Sep 11, 2023 · It makes it hard or impossible for your body to digest a type of sugar in milk and dairy products that’s called lactose. Your doctor can tell you if you’re lactose intolerant and …

  4. 5 Signs and Symptoms of Lactose Intolerance - Healthline

    Jan 13, 2023 · Here are the 5 most common signs and symptoms of lactose intolerance. 1. Stomach pain and bloating are common symptoms of lactose intolerance in both children and …

  5. Symptoms & Causes of Lactose Intolerance - NIDDK

    Overview of lactose intolerance symptoms, such as bloating, diarrhea, gas, nausea, and abdominal pain. Lactose intolerance is caused by lactose malabsorption.

  6. Lactose Intolerance - Johns Hopkins Medicine

    Lactose intolerance is most common in Asian Americans, African Americans, Mexican Americans and Native Americans. Symptoms vary from person to person, but may include: gas, diarrhea, …

  7. 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.

  8. Signs You Might Be Lactose Intolerant - MSN

    Lactose intolerance is a condition where your body struggles to digest lactose, the sugar found in milk and dairy products. This happens because of a shortage of lactase, the enzyme that …

  9. Lactose intolerance - Family Doctor

    Jul 1, 2025 · Lactose intolerance typically causes discomfort in your stomach. For example, After eating foods with lactose in them, you may feel sick to your stomach. It is a common problem. …

  10. Lactose Intolerance: Symptoms, causes, treatments, and your

    Nov 20, 2025 · Lactose intolerance refers to a reduced ability to digest lactose, or milk sugar. Around 75% of the world's population is lactose intolerant to some degree, due to not …