notes of JP Ferrara M.D. http://members.tripod.com/~uncljoedoc/index.html Medications which may cause malignant hyperthermia Antipsychotic medications Phenothiazines Thioxanthines Dibenzodiazepines Butyrophenones Indolones Diphenylbutylpiperidines Antidepressant medications Tricyclic antidepressants Monoamine oxidase inhibitors Antiparkinson and antihistamine medications Benztropine mesylate Biperiden Trihexylphenidyl hydrochloride Diphenhydramine hydrochloride Chlorpheniramine maleate Psychostimulants and sympathomimetic medications Amphetamines Methylphenidate hydrochloride Ephedrine Phenylpropanolamine Phencyclidine Biblio taken from JAMA vol279 no.22 p1798 1998