“…Iodine compounds, including those used as radiographic contrast media, may cause painful swelling of the parotid and submandibular glands, and some cases of ''iodine mumps'' have been reported. Cases of sialadenitis or sialadenosis have been related to some other drugs, such as bretylium, methyldopa, clonidine, reserpine, isopro- terenol, pilocarpine, nifedipine, phentolamine, guanethidine, scopolamine, tricyclic antidepressants, thiouracil, nitrofurantoin, chlorhexidine mouth rinses and, less probably, antiarrhythmic agents with anticholinergic action and estrogen [4,5]. Although there is experimental evidence that catecholamines such as isoprenaline, even if inhaled, can reproduce the pathological features of sialadenosis, beta-blockers have been therapeutically ineffective [3].…”