Selective inhibitor of phosphodiesterase type 5 (PDE5); increases cGMP in cavernous smooth muscle, producing erection in response to sexual stimulation.
uses
String
'"`UNIQ--vote-00000040-QINU`"'
starting_dose
String
100 mg ~15 min before sexual activity
preparations
String
50, 100, 200 mg tabs
fda_max
String
200 mg/d (100 mg/d if on CYP3A4 inhibitors)
pill_id
Text
routes
List of String, delimiter: ,
Oral
onset
String
~15 min (fastest of the PDE5 inhibitors)
duration
String
4–6 h
halflife
String
~5 h
bioavailability
String
Rapid absorption; absolute bioavailability not formally established
