Table 4. Prophylactic treatment of migrainous vertigo

Drug	Daily dose	Side effects
Propranolol	40–240 mg	Fatigue, hypotension, impotence, depression, nightmares, bronchial constriction
Metoprolol	50–200 mg	Fatigue, hypotension, impotence, depression, nightmares, bronchial constriction
Amitriptylin	50–100 mg	Sedation, orthostatic hypotension, dry mouth, weight gain, constipation, Urinary retention, conduction block
Pizotifen	1.5–6 mg	Weight gain, sedation
Flunarizine	5–10 mg	Weight gain, sedation, depression, reversible parkinsonism
Acetazolamide	250–750 mg	Paresthesia, nausea, sedation, hypokalemia, hyperglycemia
Dichlorphenamide	17.5–75 mg	Paresthesia, nausea, sedation, hypokalemia, hyperglycemia