All are true about guanithidine except
Refer kK sharma 2/195 guanithidine Acts by inhibiting exocytosis of norepinephrine Does not cross blood brain barrier Postural hypotension diarrhoea and erectile dysfunction are the most common adverse side effects
It prevents exocytocis of norepinephrine
Used for treatment of erectile dysfunction
Side Effects include diarrhoea
No CNS related effects are seen with its use
Cardiovascular system