Perform evaluations for prostatic cancer (eg, digital rectal exams) prior to starting therapy & periodically thereafter. Assess patient to rule out other urologic diseases prior to treatment. Carefully monitor patients w/ larger residual urine vol or severely diminished urinary flow for obstructive uropathy. Establish a new baseline PSA conc after 3-6 mth of treatment & use the new value to assess potentially cancer-related changes PSA. May affect results of blood test used to detect prostate cancer. Men should not donate blood until at least 6 mth after last dose. Women who are pregnant or may be pregnant should not handle the cap, it can be absorbed through the skin & could result in unintended fetal exposure. Women who are not pregnant should use caution whenever handling the cap. If contact is made w/ leaking cap, wash the contacted area immediately w/ soap & water. Hepatic function. Reduced sperm control. Pregnancy & lactation. Contraindicated for use in childn.