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  1. Toxic hepatitis - Symptoms and causes - Mayo Clinic

    Aug 5, 2025 · The symptoms of toxic hepatitis often go away when contact with the toxin stops. But toxic hepatitis can damage the liver, leading to scarring of liver tissue, called cirrhosis. Sometimes toxic …

  2. Vitamin D toxicity: What if you get too much? - Mayo Clinic

    Feb 20, 2025 · Vitamin D toxicity is a rare condition that happens when too much vitamin D is in the body. The condition can have serious effects on health. Another name for it is hypervitaminosis D. …

  3. Lead poisoning - Symptoms & causes - Mayo Clinic

    Learn about lead poisoning symptoms and treatment of lead exposure in children and adults. Explore ways to keep your kids safe from lead exposure.

  4. Kratom: Unsafe and ineffective - Mayo Clinic

    Jun 18, 2024 · Kratom is an herbal extract that comes from the leaves of an evergreen tree called Mitragyna speciosa. The tree grows in Southeast Asia. Kratom users can chew the tree's leaves, …

  5. Niacin overdose: What are the symptoms? - Mayo Clinic

    May 14, 2024 · I take niacin to treat my cholesterol. Should I be concerned about a niacin overdose? Niacin overdose is unlikely if you take niacin only in the amount prescribed by your healthcare …

  6. Vitamin A - Mayo Clinic

    Apr 17, 2025 · Vitamin A is a nutrient the body uses to support growth, vision and cell function. It's also called retinol or retinoic acid. Vitamin A has antioxidant properties. Antioxidants are substances that …

  7. Serotonin syndrome - Symptoms & causes - Mayo Clinic

    Sep 12, 2024 · Serotonin syndrome is a serious drug reaction. It is caused by medications that build up high levels of serotonin in the body. Serotonin is a chemical that the body produces naturally. It's …

  8. Alcohol poisoning - Diagnosis and treatment - Mayo Clinic

    Apr 29, 2023 · Diagnosis In addition to checking for visible signs and symptoms of alcohol poisoning, your doctor will likely order blood and urine tests to check blood alcohol levels and identify other …

  9. Lead poisoning - Diagnosis & treatment - Mayo Clinic

    Learn about lead poisoning symptoms and treatment of lead exposure in children and adults. Explore ways to keep your kids safe from lead exposure.

  10. Alcohol poisoning - Symptoms and causes - Mayo Clinic

    Apr 29, 2023 · Alcohol poisoning also can occur when adults or children accidentally or intentionally drink household products that contain alcohol. If you think that someone has alcohol poisoning, get …