Original GlobalRPh source
- Product / population
- Preserved GlobalRPh source, not a freshly verified product label
- Renal measure
- Use the method specified in the original source
Historical source: not automatically current. Review current official labeling and separately attributed additions before use.
As-needed ED source, not daily ED/BPH or pulmonary-hypertension dosing. The missing severe-impairment interval must not be inferred.
Usual Dosing (Adults)
10 mg orally before anticipated sexual activity, as a single as-needed dose no more than once daily; range 5-20 mg. Adjust for concomitant alpha blocker or CYP3A4 inhibitor.
Renal Dosing
CrCl above 50 mL/min: no change. Source band 31-50: initially 5 mg, with a maximum 10 mg no more frequently than every 48 hours. Below 30 or HD: maximum 5 mg. The original text does not supply a dose interval for the below-30/HD group or explicitly assign exactly 30.
Hemodialysis
Maximum 5 mg; no frequency is supplied in the original dialysis section.