There are many reasons why Welsh Terriers have red spots, the most common of which are red spots caused by mites and fungal infections. If it is a rainy and humid season, dogs are prone to skin diseases and red spots will appear on their bodies. If you look through your dog's hair and see small red spots on the skin, it may be caused by mites.

Treatment methods for erythema on Welsh Terriers:

1. If the erythema is caused by mites, it can be treated with internal and external deworming methods. Oral anthelmintics, topical anthelmintic drops, sprays or ointments. However, the affected area of ​​the dog should be shaved before applying the medicine, and should be kept away from humid environments.

2. If the erythema is caused by fungal infection, it needs to be treated with antibacterial and anti-itch ointment or spray. In serious cases, medicinal baths and injections may be required.

3. If the use of acaricides is effective but cannot be cured, it may be a mixed infection of fungi and mites, which is not easy to cure. It is best to treat according to the doctor's advice.