Dr. G examines acetic acid (medical vinegar) as a low-cost, evidence-based treatment for multi-drug-resistant Pseudomonas aeruginosa in diabetic foot ulcers. The episode explains the bacterium's virulence and biofilm behavior, how acetic acid works (pH lowering, membrane and biofilm disruption), recommended concentrations (0.25–1%), application methods, safety precautions, and clinical outcomes. Listeners receive concise, practical guidance including soak times, treatment duration, and cautions for exposed bone, plus case examples and why acetic acid is a valuable, accessible tool for limb salvage and resource-limited settings.

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