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PRECAUTIONS: Before taking this product, tell your doctor or pharmacist if you are allergic to folic acid, niacinamide, copper, or zinc; or if you have any other allergies.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: current liver disease, current ulcer, Wilson's disease (a certain inherited disease affecting copper metabolism).Before using this product, tell your doctor or pharmacist your medical history, especially of: diabetes, gallbladder disease, gout, kidney disease, liver disease, stomach/ulcer problems, vitamin B12 deficiency (pernicious anemia).This drug may make you dizzy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.If you have diabetes, this product may increase your blood sugar levels. Check your blood sugar levels regularly and promptly tell your doctor if you have symptoms of high blood sugar (e.g., increased thirst/urination). Your anti-diabetic medication or diet/exercise plan may need to be adjusted.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.This medication passes into breast milk. While there have been no reports of harm to nursing infants, consult your doctor before breast-feeding.

DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: chloramphenicol, certain anti-seizure drugs (e.g., carbamazepine, phenytoin, primidone), diabetes medications (e.g., insulin, glyburide, metformin), methotrexate, penicillamine, other vitamins/nutritional supplements.This product can decrease the absorption of other drugs such as bisphosphonates (e.g., alendronate), quinolone antibiotics (e.g., ciprofloxacin, levofloxacin), and tetracycline antibiotics (e.g., doxycycline, minocycline). Therefore, separate your doses of these medications as far as possible from your doses of this product. Ask your doctor or pharmacist about how long you should wait between doses and for help finding a dosing schedule that will work with all your medications.Folic acid may affect certain laboratory tests for vitamin B12 deficiency, resulting in false test results. Untreated vitamin B12 deficiency may result in serious nerve problems (e.g., peripheral neuropathy with numbness/tingling symptoms). Consult your doctor or pharmacist for details.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.