Prevention and treatment measures for puppy dermatitis:

1. Desensitization and anti-itching: oral or intramuscular injection of corticosteroids, the dosage is as directed by the doctor.

2. Apply sulfonamide ointment locally.

3. Chronic dermatitis can be applied with triamcinolone acetate ointment or hydrogen acetate ointment.

4. Fungal dermatitis can be applied with clotrimazole ointment, ringworm ointment or daxonine ointment.

5. Skin parasitic dermatitis can be taken orally: Kedezhi oral skin medicine, external use: Kedezhi skin ointment, Jindun acaricidal ointment, etc.

6. For dermatitis with bacterial infection, systemic antibiotic therapy can be applied, and penicillin or gentamicin can be injected intramuscularly.

Causes of dog dermatitis:

1. Parasites: infection with Demodex, scabies, cicadas, lice, fleas, schistosomiasis, hookworms, etc.

2. Fungal infection: infection with Microsporum sporogenes, Microsporum gypseum, Trichophyton mentagrophytes, etc.

3. Allergy: accidentally eating food, medicine, etc. that you are allergic to.

4. Stimulation by chemical substances: chemical bath agents, application of irritating drugs, and long-term irritation by purulent secretions.

5. Endocrine disorders: Endocrine disorders can cause abnormal sebum secretion in dogs and cause skin inflammation.