| Mouth | | Aphthae | | Avitaminosis | | Burn | | Candidiasis | | Epidermolysis bullosa | | Erythema multiforme | | Hand, foot, and mouth disease | | Herpangina | | Herpes simplex | | Lichen planus | | Lupus erythematosus | | Pemphigus vulgaris | | Perlèche | | Toxic epidermal necrolysis | | | Genital | | Balanitis | | Candidiasis | | Chancroid | | Diaper dermatitis | | Erythema multiforme | | Fixed drug eruption | | Fungal infections (tinea cruris) | | Herpes simplex | | Intertrigo | | Lichen planus | | Lichen sclerosus | | Lymphogranuloma venereum | | Squamous cell carcinoma | | Syphilis | | | Other | | Basal cell carcinoma | | Bullous pemphigoid | | Ecthyma | | Erythema multiforme | | Ischemia | | Necrobiosis lipoidica | | Pemphigus vulgaris | | Porphyria cutanea tarda | | Pyoderma gangrenosum | | Spider bite | | Squamous cell carcinoma | | Stasis ulcer | | Toxic epidermal necrosis | |
