sodium bromide
An inorganic compound with the formula NaBr.
It has been used as a hypnotic, anticonvulsant, and sedative.
Its action is due to the bromide ion, and for this reason potassium bromide is equally effective.
In 1975, bromides were removed from drugs in the U.S. such as Bromo-Seltzer due to toxicity.
It is only effective when used over period of time and useless as an occasional hypnotic. It is too dangerous for continued use except cautiously for selected cases of grand mal epilepsy in children which do not respond to conventional less toxic agents.
Adverse effects include neurologic deficits (sedation, agitation or excitability, caudal paresis, ataxia, decreased pelvic limb flexor withdrawals), polyphagia, polyuria, polydipsia, and vomiting, and bromide use may be associated with the development of pancreatitis.