A 75-year-old man has a 2-year history of progressive difficulty with urinary urgency, frequency, and urge incontinence. He has tried bladder training...

Question

A 75-year-old man has a 2-year history of progressive difficulty with urinary urgency, frequency, and urge incontinence. He has tried bladder training for 6 weeks and behavioural modifications without adequate improvement. He has benign prostatic hyperplasia. His post-void residual is 320 mL. Why is an antimuscarinic medication potentially DANGEROUS in this patient?

Accepted Answer

It may worsen urinary retention given his elevated post-void residual volume

Answer

It may cause diarrhoea

Answer

It may lower his blood pressure

Answer

It may cause hyperkalaemia

Answer

It may interact with his antihypertensive

uk-dgm MCQ (SBA): Antimuscarinic Risk in Elevated Post-Void Residual