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It is an alpha(1) blocker. It works by relaxing muscles in the prostate and bladder, which helps to improve urine flow and reduce symptoms of BPH.


Benign prostatic hyperplasia (BPH)


2mg to 8mg per day in single or toe doses.


Allergy to drug, along with another, alpha blocker like prazosin, severe kidney or liver problems.

Special Precautions

Paediatric : not known Pregnancy: not known Lactation: not known

Side Effects

Decreased sexual ability; diarrhea;dizziness; headache; lightheadedness; runny or stuffy nose; sinus inflammation; stomach pain; trouble sleeping; weakness.

Drug Interactions

Alpha blocker, azole antifungals, cyclosporine, clarithromycin, itraconazole.

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