“…For example, elderly patients are known to suffer from acute delirium after taking bromides or barbiturates (1). Aminophylline, theobromine and theophylline are of doubtful antihypertensive value because their action is limited, and thiocyanate, because it increases capillary fragility, is contraindicated in patients over 60 (2). Ganglionic blocking agents are better suited for hypertensive emergencies than for prolonged therapy, as serious or fatal cerebrovascular accidents may occur upon withdrawal of these potent, short-acting hypotensive drugs (3).…”