Norflex is an anticholinergic drug used for relaxation of certain muscles in your body and relief of the stiffness, pain, and discomfort caused by strains, sprains, or another injury to your muscles Another form of this drug can be used for relief in trembling caused by Parkinson's diseaseOrphenadrine is a muscarinic antagonist with muscle relaxant activity Although the mechanism of action has not been determined, orphenadrine appears to block muscarinic acetylcholine receptors as well as NmethylDaspartate receptors in the central nervous system (CNS)This may interfere with the transmission of nerve impulses from the spinal cord to the muscles and may help relaxAug 09, 13 · Norflex is a prescription medication used to relieve pain and discomfort caused by strains, sprains, and other muscle injuries Norflex belongs to a group of drugs called skeletal muscle relaxants These work by changing the way the body senses muscle pain Norflex Fda Prescribing Information Side Effects And Uses...