| Classic scabies | Arthropod bites, atopic dermatitis, chickenpox, contact dermatitis, delusion of parasitosis, dermatitis herpetiformis, folliculitis, impetigo, Langerhans cell histiocytosis, lichen planus, papular urticaria, pityriasis rosea |
| Crusted scabies | Atopic dermatitis, Darier disease, mycosis fungoides, erythroderma, pityriasis rubra pilaris, psoriasis, seborrheic dermatitis, Sezary syndrome, xerotic eczema |
| Nodular scabies | Prurigo nodularis, pseudolymphoma, secondary syphilis (condyloma lata) |
| Infantile scabies | Infantile acropustulosis, dyshidrotic eczema (pompholyx), urticaria pigmentosa |