Annular, Scaly, Blistering, Violaceous Plaque after use of Antibiotic Post category:Spot Diagnosis Post published:August 19, 2021 Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit Annular, Scaly, Blistering, Violaceous Plaque after use of Antibiotic 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 X (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 Sharply Demarcated, Erythematous, Plaques Covered with Scales and Crust June 13, 2021 Bluish Discoloration of the Toes with Livedo Reticularis August 9, 2021 Spoon-Shaped Nails July 1, 2021