Erectile dysfunction

Question 1

causes of erectile dysfunction

Answer 1

vascular (CAD, stroke, etc)
neurologic (parkinson's, spinal cord injury)
hormonal
drug-induced (beta blockers, SSRIs)
psychogenic

rate increases w/age

Question 2

erectile dysfunction meds

Answer 2

PDE5 inhibitors:
sildenafil - also given for pulm HT
tadalafil - also given for BPH
vardenafil

don’t initiate arousal, but rather inhibit discontinuation of arousal via PDE5 enzyme

take 1h before activity

Question 3

issues w/PDE5 inhibitors

Answer 3

hypoTN
priapism - see doc after 4h
sudden hearing loss
avoid: nitrates w/in 24h of last dose