NOT KNOWN FACTS ABOUT FENTANYL MEDICAL USAGE

Retain the empty packet – You'll have to put your used patch in this to help keep it Secure. You are going to then really need to return it to your pharmacist who will damage it in the correct way.Watch Carefully (two)efavirenz will minimize the level or effect of fentanyl by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/K