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Mr. John Smith is a 68-year-old male who presents with progr…

Mr. John Smith is a 68-year-old male who presents with progressively worsening lower urinary tract symptoms over the past 8 months. He reports increased urinary frequency, particularly nocturia, waking up 3–4 times per night to urinate. He also notes a weak urinary stream, hesitancy, straining to void, and a sensation of incomplete bladder emptying. Over the last month, he has experienced a few episodes of urgency with occasional urge incontinence. These symptoms have been interfering with his sleep and daily activities. He has not tried any medications for these symptoms but is now seeking treatment due to their increasing severity. He has no prior history of urologic surgery. Medications: None Vital signs: BP=124/78; P=88 Physical exam: Digital rectal exam reported a prostate size of 25g Labs: Na=144; K=4; CO2=26; Scr=1.1; BUN=19; glucose=100 PSA= 6.3 ng/mL  This patient was started on Tamsulosin 0.4 mg daily. Which of the following is/ are true about Tamsulosin?