Symptomatic benign prostatic hyperplasia (BPH) in men w/ enlarged prostate to improve urinary flow & symptoms associated w/ BPH causing regression of enlarge prostate. Decrease incidence of acute urinary retention; surgery including transurethral reaction of prostate & prostatectomy.
BPH 5 mg daily. Response may be delayed & treatment may be required for ≥6 mth to assess whether benefit has been achieved. Male-pattern baldness (alopecia androgenetica) 1 mg daily. In general, use for ≥3 mth is required before benefit is seen & effects are reversed w/in 12 mth of ceasing therapy.
Monitor patients w/ large residual urine vol &/or severely diminished urinary flow for obstructive neuropathy. Exclude malignancies before treatment since serum markers of prostate cancer may be reduced. Require digital rectal exam & other evaluations for prostate cancer prior to therapy & periodically thereafter. Evaluate serum PSA conc during treatment; serum PSA levels decrease in patients on treatment. No data available in patients w/ hepatic insufficiency. Male patients should wear condom or otherwise avoid exposure of women at risk of becoming pregnant; exposure of pregnant women may cause abnormalities of external genitalia of male fetus. Lactation.