bethanechol chloride /bethan″əkol/ , a cholinergic. ▪ INDICATIONS: It is prescribed in the treatment of fecal and urinary retention and neurogenic atony of the bladder. ▪ CONTRAINDICATIONS: Uncertain strength of the bladder, obstruction of the GI or urinary tract, hyperthyroidism, peptic ulcer, bronchial asthma, cardiovascular disease, epilepsy, Parkinson’s disease, hypotension, or known hypersensitivity to this drug prohibits its use. It is not given during pregnancy. It is never given intramuscularly or intravenously. ▪ ADVERSE EFFECTS: Among the more serious adverse reactions are flushing, headache, GI distress, diarrhea, excessive salivation, sweating, and hypotension.