niacin oral brand names and other generic formulations include:
B-3 Niacin Oral, B-3-50 Oral, B3-500-GR Oral, Endur-Acin Oral, Na-500 Oral, Nb3 Oral, Nia-Bid Oral, Niac Oral, Niacels Oral, Niacinol Oral, Niacin-Time Oral, Niacor B3 Oral, Niacor Oral, NiaDelay Oral, Niaplus Oral, Niaspan Oral, Niaspan Starter Pack Oral, Niatab Oral, Nico-400 Oral, Nicobid Oral, Nicocap Oral, Nicolar Oral, Nico-Span Oral, Nicotinex Oral, Nicotinic Acid Oral, Nicotym Oral, Ridicin Oral, Slo-Niacin Oral, Tega Span-125 Oral, Tega Span-250 Oral, Tega Span-400 Oral, Tega-Span Oral
metformin oral brand names and other generic formulations include:
Fortamet Oral, Glucophage Oral, Glucophage XR Oral, Glumetza Oral, Riomet Oral
niacin oral and metformin oral
niacin oral decreases effects of metformin oral by opposing drug effects. This combination reduces the effect of metformin.
niacin oral and metformin oral
niacin oral decreases effects of metformin oral by pharmacodynamic antagonism. Patient should be closely observed for loss of blood glucose control; when drugs are withdrawn from a patient receiving metformin, patient should be observed closely for hypoglycemia
Check for more interactions with the Drug Interaction Checker
Drug Interaction Categories
Contraindicated
Never use this combination of drugs because of high risk for dangerous interaction
Serious
Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed
Significant
Potential for significant interaction (monitoring by your doctor is likely required)
Minor
Interaction is unlikely, minor, or nonsignificant