Adult:
1 tab (Tamsulosin 0.4mg + Dutasteride 0.5mg) once daily.
Precautions
Excreted in semen therefore use of condom is recommended. Women of childbearing potential should avoid handling leaking capsules of dutasteride. Prostate carcinoma should be ruled out before starting the therapy. Blood donation to be avoided during and at least 6 mths after discontinuance of drug.
Adverse Drug Reactions
Impotence, decreased libido, ejaculation disorders, breast tenderness and enlargement, postural hypotension, dizziness and vertigo, headache, infection, asthenia, back pain, chest pain, somnolence, insomnia, rhinitis, pharyngitis, cough, sinusitis, diarrhoea, nausea, tooth disorder, blurred vision.
Interactions
Concomitant admin with moderate or strong inhibitors of CYP2D6 (eg. fluoxetine) or CYP34A (eg. ketoconazole, cimetidine) increases tamsulosin serum concentration; increase in blood concentrations of dutasteride in the presence of inhibitors of CYP3A4/5 such as ritonavir, ketoconazole, verapamil, diltiazem, cimetidine, troleandomycin, and ciprofloxacin.
