A 71-year-old man presents with urinary hesitancy, weak stream, and nocturia. Vital signs: BP 138/82 mmHg, HR 78/min, RR 16/min. Digital rectal examination reveals an enlarged, smooth prostate. PSA is 6.2 ng/mL. He denies erectile dysfunction. Urinalysis shows no infection. He is started on a medication that selectively relaxes smooth muscle in the bladder neck and prostate with minimal cardiovascular effects. Which drug was most likely prescribed?

  1. A)Oxybutynin
  2. B)Finasteride
  3. C)Bethanechol
  4. D)TamsulosinGABARITO
  5. E)Phenylephrine

Explicação

Tamsulosin is a selective alpha 1A blocker that relaxes smooth muscle in the prostate and bladder neck, improving lower urinary tract symptoms from benign prostatic hyperplasia with relatively little systemic hypotension. Ver explicação completa e trilha adaptativa →

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