Propoxyphene napsylate belongs towards the narcotic class of medicine which work as gentle analgesics and acetaminophen can be a non-narcotic, weak soreness reliever, fever reducer (antipyretic) together with improves the effects of propoxyphene. Record of sensitivity to benzodiazepines. Scientific or biochemical proof of major liver disorder. Acute narrow angle glaucoma http://caretechpharmacy.com