By Gary M. White, MD

Blue Underwear: Pseudomonas colonization

Blue discoloration of the underwear may be a sign of pseudomonas colonization of the groin.


Blue underpants sign. A diagnostic clue for Pseudomonas aeruginosa intertrigo of the groin. [J Am Acad Dermatol. 2005 Nov;53(5):869-71]

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Blue Underwear: Pseudomonas colonization


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