Barbit Phenobarbital Carbonyl Iron + Folic Acid + Zinc Sulfate contains Carbonyl Iron + Folic Acid
ModerateFolic acid may lower the blood levels of phenobarbital, phenytoin and primidone.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.