The Shape-Shifters of Diabetic Feet: Proteus mirabilis & vulgaris Unveiled

Dr. G dives into the Proteus genus—Proteus mirabilis and Proteus vulgaris—explaining their history, swarming behavior, urease-driven alkalinization, virulence factors, and why diabetic foot ulcers provide the perfect environment for these pathogens. The episode covers clinical clues (strong ammonia odor), diagnostic differences, biofilm-driven resistance, treatment priorities (sharp debridement, systemic antibiotics, pH control, and topical agents), and case examples including osteomyelitis and crystal formation.

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