norgesic norgesic norgesic is the brand name of a muscle relaxant produced by medicis pharmaceutical (currently valeant pharmaceuticals). the generic is a combination of 385 mg of paracetamol, 25 mg of orphenadrine citrate and 30 mg of caffeine. norgesicclinical dataahfs/drugs.commicromedex detailed consumer informationmedlineplusa682162routes ofadministrationoralidentifierscas number509146-28-5 (verify) it was discontinued in the united states by the food and drug administration in october 2015 but is still available in scandinavia, austria, greece, thailand, australia and hong kong.