Skin Disease - Causes:

1. Parasitic skin disease - caused by mites, fleas, lice, chiggers, etc.
2. Bacterial skin disease - probably one of the most common casues and often a secondary factor as well.
3. Fungal skin disease - ringworm
4. Viral skin disease
5. Skin disease due to physical factors - Sun burn, trauma, burns, self-inflicted injury, bite wounds, etc.
6. Allergic skin disease - allergic inhalant dermatitis, flea bite hypersensitivity, food allergy, contact allergy, etc.
7. Immune-mediated skin disease
8. Endocrine skin disease - Hypothyroidism, Cushing's disease, ovarian imbalance, etc.
9. Toxic skin disease - Drug reaction, Streptococcal Toxic Shock Syndrome, other.
10. Skin disease due to systemic disease - Hepatocutaneous syndrome, others.
11. Nutritional skin disease - Zinc-responsive dermatosis, vitamin deficiency, etc.
12. Genetic/Hereditary skin disease - Color-mutant alopecia, others.
13. Neoplasia - skin tumors, lymphosarcoma, others.
14. Miscellaneous skin disease