Generic Name and Formulations:
Dutasteride 0.5mg, tamsulosin HCl 0.4mg; caps.
Company:
GlaxoSmithKline Pharmaceuticals
Benign prostatic hyperplasia (BPH).
Swallow whole. Take ½ hour after same meal each day. 1 capsule daily.
Not applicable.
Type I and II 5 alpha-reductase inhibitor + alpha-1A blocker.
Not for use in children or women. Pregnant women and those of childbearing potential should avoid handling capsules. Pregnancy (Cat.X). Nursing mothers.
Not for use in preventing prostate cancer. Increased risk of high-grade prostate cancer. Monitor prostate specific antigen (PSA) values (set new baseline PSA after 3–6 months of treatment); double PSA levels to compare with normal values. Rule out prostate cancer and other urological disorders prior to treatment. Syncope. End-stage renal disease. Severe hepatic impairment. Cataract surgery (intraoperative floppy iris syndrome possible). Poor metabolizers (low CYP2D6 activity). Sulfa allergy. Avoid donating blood until at least 6 months after last dose.
Concomitant strong inhibitors of CYP3A4 (eg, ketoconazole): not recommended; caution with strong CYP2D6 inhibitors (eg, paroxetine). Do not use with other alpha-blockers. Potentiated by cimetidine. Dutasteride may be potentiated by moderate CYP3A4/5 inhibitors (eg, diltiazem, erythromycin). Tamsulosin may be potentiated by a concomitant combination of CYP3A4 and CYP2D6 inhibitors (eg, terbinafine). Caution with PDE-5 inhibitors (may increase orthostatic hypotension). Monitor warfarin.
Ejaculation disorders, impotence, decreased libido, dizziness, breast disorders, orthostatic hypotension and/or syncope; rare: priapism.
Caps—30, 90