Pregnancy Home > Folic Acid Overdose
Although a folic acid overdose is not likely to be dangerous, taking high doses of the vitamin long-term can cause digestive problems, zinc deficiency, and problems sleeping. High doses of folic acid can also "mask" a vitamin B12 deficiency or increase the risk of heart attacks in people with heart disease. Treatment for a folic acid overdose will generally involve supportive care.
- Digestive problems (such as nausea or gas)
- Problems sleeping (including unusual dreams)
- Irritability, excitability, or hyperactivity
- Bitter taste in the mouth
- Zinc deficiency
- Psychotic behavior
- Seizures (typically in people who already have a seizure disorder).