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A former nurse in her 80s with asthma and eczema presented to an urgent care clinic with a history of 1 to 2 weeks of left hand third digit pain. She denied trauma or nail biting and could not recall an inciting incident. She was noted to have a swollen, erythematous, and tender nail fold without purulence or nail discoloration. She received a diagnosis of an acute paronychia and was given instructions to use warm compresses. She was also prescribed an oral course of trimethoprim-sulfamethoxazole.
Handley N, Unger A. Antibiotic Overuse and ParonychiaA Teachable Moment. JAMA Intern Med. 2016;176(1):19-20. doi:10.1001/jamainternmed.2015.6527