
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. …
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 …
Lead poisoning - Symptoms & causes - Mayo Clinic
Oct 30, 2025 · Learn about lead poisoning symptoms and treatment of lead exposure in children and adults. Explore ways to keep your kids safe from lead exposure.
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 …
Niacin overdose: What are the symptoms? - Mayo Clinic
May 14, 2024 · When niacin is taken as prescribed for high cholesterol, overdose is unlikely.
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 …
Digoxin (oral route) - Side effects & dosage - Mayo Clinic
Jan 1, 2026 · Hypokalemia (low potassium in the blood) or Hypomagnesemia (low magnesium in the blood)—Increased risk of digoxin toxicity. Kidney disease—Use with caution. The effects may be …
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 …
Vitamin B-6 - Mayo Clinic
Aug 13, 2025 · Vitamin B-6 (pyridoxine) is important for normal brain development and for keeping the nervous system and immune system healthy. Food sources of vitamin B-6 include poultry, fish, …
Too much vitamin C: Is it harmful? - Mayo Clinic
Feb 20, 2025 · Vitamin C is an essential nutrient, but you can get too much of it. If you're an adult, limit yourself to no more than 2,000 milligrams (mg) of vitamin C a day. The recommended upper limit for …