Mar 8, 2024 · Hypercalcemia is a condition in which the calcium level in the blood becomes too high. Too much calcium in the blood can weaken bones and create kidney stones. It also can …

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 …

Sep 12, 2024 · Serotonin syndrome symptoms usually occur within several hours of taking a new drug or increasing the dose of a drug you're already taking. Signs and symptoms include: …

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 …

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 …

Dec 1, 2025 · Symptoms of overdose Blurred vision dizziness drowsiness irregular, fast or slow, or shallow breathing lightheadedness loss of strength or energy muscle pain or weakness pale …

Feb 21, 2025 · Is caffeine causing you problems? Find out how much is too much and if you need to cut down.

Aug 13, 2025 · Vitamin B-12 is a vitamin the body uses to make and support healthy nerve cells. It's also used to make healthy red blood cells and the genetic material inside cells called DNA. …

May 14, 2024 · Niacin overdose is unlikely if you take niacin only in the amount prescribed by your healthcare professional. You can't overdose on niacin by eating too many niacin-rich foods. …

Dec 1, 2025 · Check with your doctor immediately if you or your child develop a rash, fever, flu-like symptoms, or swollen glands, or if your seizures becomes worse. This medicine may …