Annular, Scaly, Blistering, Violaceous Plaque after use of Antibiotic Post category:Spot Diagnosis Post published:August 19, 2021 Share on Facebook Share on Twitter Share on Pinterest Share on Email Share on Reddit This lesion developed on the chest of a 35-year-old man during treatment for a respiratory tract infection. What is the diagnosis? FULL CASE AND ANSWER Share on Facebook Share on Twitter Share on Pinterest Share on Email Share on Reddit Read more articles Previous PostBlack Discoloration of the Tongue Next PostSwelling and Red Discoloration of the Right Arm and Hand You Might Also Like Migratory, Pruritic Skin Eruption March 8, 2022 Pruritus and Papular Lesions Between Fingers, Axillae, Groin, and Buttocks September 22, 2021 Multiple White Lines on the Fingernails June 23, 2021