A 68-year-old woman presents with a 6-month history of urinary urgency, frequency, and nocturia. Vital signs are stable (BP 138/82, HR 78, RR 16, Temp 37°C). Urinalysis is negative for infection. Urodynamic testing demonstrates detrusor overactivity without outlet obstruction or post-void residual elevation. She denies abdominal pain or hematuria. Which medication would most likely improve her symptoms by reducing involuntary bladder contractions?
- A)OxybutyninGABARITO
- B)Desmopressin
- C)Bethanechol
- D)Tamsulosin
- E)Furosemide
Explicação
Oxybutynin is an antimuscarinic agent used to treat overactive bladder by reducing detrusor muscle contractions. The clinical syndrome of urgency and frequency due to involuntary bladder contraction points directly to this mechanism. Anticholinergic side effec... Ver explicação completa e trilha adaptativa →