A case of secondary syphilis and HIV coinfection accompanied by irritant contact dermatitis in a 24-year-old men who have sex with men (MSM) was reported. The patient presented with erythematous macules, papu les, plaque, and thin scales on the scalp, neck, chest, back, bath arms and lower limbs. There were erythematous macules on bath palms and sales, also erythematous mocules, hiperpigmented …