112. A 70 year old male developed difficulty in ability to form urinary stream and urgency. On per-rectal examination, prostate was found to be enlarged. Serum prostate specific antigen was within...

Do explain shortly.

Name of drug :

Extracted text: 112. A 70 year old male developed difficulty in ability to form urinary stream and urgency. On per-rectal examination, prostate was found to be enlarged. Serum prostate specific antigen was within normal limits. The person is also a known hypertensive for which he is not taking any drug. The surgeon prescribed him a drug A which can quickly relieve his urinary problems as well as control his blood pressure.