Multiple vitamin overdose
Symptoms
- 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
- Electrical disturbances (arrhythmias) in the heart
- Muscles and joints
- Bone pain
- Joint pain
- Muscle pain
- Muscle weakness
- Nervous system
- Convulsions (seizures)
- Headache
- Mental changes
- Mood changes
- Irritability
- Skin and hair
- Flushing from niacin (vitamin B3)
- Dry cracking skin
- Itching
- 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)