Ringworm in dogs

Ringworm in dogs

By
✔ MRCVS
LMV
MSc
Reviewed by Dr. Deborah Brown
✔ MRCVS
BSc
BVM&S
FHEA
Updated October 16, 2025
4 min read

Overview

Symptoms

Risk

Diagnosis

Vet treatment

Prevention

When to worry

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Ringworm in dogs

Ringworm in dogs

By
✔ MRCVS
LMV
MSc
Reviewed by Dr. Deborah Brown
✔ MRCVS
BSc
BVM&S
FHEA
Updated October 16, 2025
4 min read

Ringworm is a skin infection caused by a fungus. It is contagious between dogs, cats, people, and many other animals. It is usually mild but can be serious in very young or weak animals.

Dogs catch ringworm, also known as dermatophytosis, when damaged skin comes into contact with spores shed by an animal with the disease. Direct contact with animals that have it is most common, but hairs and objects can also carry the infection. Healthy animals can clear the disease after a few months, but they can spread it in the meantime. This disease is very contagious but not life-threatening.

What is ringworm? >What is ringworm? [Overview

Symptoms of ringworm in dogs >Symptoms of ringworm in dogs [Symptoms

Are some dogs more at risk of getting ringworm than others? >Are some dogs more at risk of getting ringworm than others? [Risk

How is ringworm diagnosed in dogs? >How is ringworm diagnosed in dogs? [Diagnosis

What is the treatment for ringworm in dogs? >What is the treatment for ringworm in dogs? [Vet treatment

Tips on how to prevent ringworm from spreading >Tips on how to prevent ringworm from spreading [Prevention

When you should be worried about ringworm >When you should be worried about ringworm [When to worry

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