Version July 2025
| Primary skin conditions |
| Skin barrier dysfunction: Netherton syndrome, ichthyoses |
| Inflammatory skin conditions: Psoriasis, contact dermatitis (irritant or allergic), seborrheic dermatitis |
| Primary immunodeficiencies and treatment complications |
| Severe combined immunodeficiency |
| Wiskott-Aldrich syndrome |
| Hyperimmunoglobulin E syndrome |
| Graft-versus-host disease |
| Primary metabolic conditions |
| Mineral or vitamin deficiencies: Zinc (acrodermatitis enteropathica), pyridoxine, and niacin |
| Other |
| Skin infections and infestations: Scabies, HIV associated, impetigo |
| Drug reactions |
| Malignancies: Cutaneous T cell lymphoma, Letterer-Siwe disease |
