Cytamen Cyanocobalamin Cimetidine
ModerateCimetidine can reduce how well your body absorbs cyanocobalamin, so less of the vitamin may get into your blood from what you take.
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.
What to do: Ask your doctor or pharmacist if you take both. They may check your vitamin levels or change the plan.