Multiple vitamin overdose
Definition
Multiple vitamin overdose occurs when someone accidentally or intentionally takes more than the normal or recommended amount of multivitamin supplements. This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.
Poisonous Ingredient
Any ingredient in a multiple vitamin supplement can be toxic in large amounts, but the most serious risk comes from iron or calcium. See also: Iron overdose
Where Found
A variety of mutivitamin supplements are sold over the counter.
Symptoms & Signs
- Bladder and kidneys
- Cloudy urine
- Frequent urination
- Increased urine output
- Eyes, ears, nose, mouth, and throat
- Dry, cracking lips (from chronic overdose)
- Eye irritation
- Increased sensitivity of the eyes to light
- Heart and blood
- Irregular heartbeat
- Rapid heartbeat
- Muscles and joints
- Bone pain
- Joint pain
- Muscle pain
- Muscle weakness
- Nervous system
- Confusion
- Convulsions (seizures)
- Fainting
- Fatigue
- Headache
- Mental changes
- Mood changes
- Irritability
- Skin and hair
- Flushing from niacin (vitamin B3)
- Dry cracking skin
- Itching, burning skin, or rash
- Yellow-orange areas of skin
- Sun-sensitivity (more likely to sunburn)
- Hair loss (from long-term overdose)
- Stomach and intestines
- Appetite loss
- Constipation (from iron or calcium)
- Diarrhea
- Nausea and vomiting
- Stomach pain
- Weight loss (from long-term overdose)
|
