Figure 031_5106. Well-defined erythematous patch with a dusky red center occurring for the third time on the same exact site on the right thigh upon exposure to amoxicillin. Photograph courtesy of Dr Mohannad Abu-Hilal. - McMaster Textbook of Internal Medicine

Figure 031_5106.
Well-defined erythematous patch with a dusky red center occurring for the third time on the same exact site on the right thigh upon exposure to amoxicillin. Photograph courtesy of Dr Mohannad Abu-Hilal.

Figure 031_5106. Well-defined erythematous patch with a dusky red center occurring for the third time on the same exact site on the right thigh upon exposure to amoxicillin. Photograph courtesy of Dr Mohannad Abu-Hilal.