uk-dgm MCQ (SBA): Dual Alpha-Blocker Falls Risk

A 77-year-old man with a CFS of 5 is being assessed for his fall risk. He reports three falls in the past 12 months, all occurring when getting up from a chair. He has diabetes, hypertension, and benign prostatic hyperplasia. His medications include Doxazosin 4 mg, Tamsulosin 400 mcg, Metformin 1 g BD, and Gliclazide 80 mg BD. What is the MOST important modifiable risk factor to address first?