Folic acid usually has very few side effects. If you have any unusual effects from taking this product, tell your doctor or pharmacist promptly.
If your doctor has directed you to use this product, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this product do not have serious side effects.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Before taking this product, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this product, tell your doctor or pharmacist your medical history, especially of: vitamin B-12 deficiency (pernicious anemia).
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Folic acid is safe to take during pregnancy when used as directed. It is included in prenatal vitamin products. Certain spinal cord birth defects may be prevented by taking adequate amounts of folic acid during pregnancy. Consult your doctor for more details.
Folic acid passes into breast milk but is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.