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Mange in Dogs: Symptoms, Types, and Treatment

Dog with skin condition
Amy Shojai
Written by — Certified Animal Behavior Consultant (CABC) · Updated April 25, 2024 • 7 min read
Quick Answer
The two types of mange require completely different approaches: sarcoptic mange (scabies) is highly contagious to other pets and even humans, causing intense itching, and demodectic mange usually appears when a dog's immune system is compromised or in puppies whose immune systems are still developing, and is not typically contagious. A vet must perform a skin scraping under a microscope to tell them apart — guessing based on symptoms alone leads to ineffective treatment. Both types are treatable, but demodectic mange in adult dogs sometimes signals an underlying health issue worth investigating, since it shouldn't normally appear in a dog with a healthy immune system.

Mange is a skin disease caused by mites. It can cause serious discomfort, hair loss, and skin damage if left untreated — persistent discomfort can also manifest as behavioral changes resembling fear or anxiety.

Types of Mange

Sarcoptic mange is highly contagious and causes severe itching. Demodectic mange usually appears when the immune system is weakened.

Recognizing Symptoms

Watch for scratching, hair loss, red skin, crusts, sores, odor, and irritated patches.

Diagnosis Process

Veterinarians diagnose mange using skin scrapings and microscopic examination.

Treatment Approaches

Treatment may include prescription antiparasitic medicine, medicated baths, antibiotics for infections, and cleaning the environment.

Home Care and Prevention

Wash bedding, clean grooming tools, maintain good nutrition, and keep up with regular vet care.

Frequently Asked Questions

What are the signs of mange in dogs?

Common signs include itching, hair loss, inflamed skin, and crusty lesions.

Is mange contagious to humans?

Sarcoptic mange may temporarily irritate humans. Demodectic mange does not spread to humans.

How is mange treated?

Veterinary treatment often includes prescription antiparasitic medication.

📚 Trusted Resources: For further reading and clinical guidance, we recommend the American Veterinary Medical Association (AVMA), the American Kennel Club (AKC), and VCA Animal Hospitals.
Written by ExpertsContent reviewed by veterinary professionals.
Evidence BasedWe cite trusted sources and current research.
Always EducationalNot a substitute for professional veterinary care.
Last Updated2026-06-18

Medical disclaimer: This article is for educational purposes only and does not constitute veterinary advice. Always consult a licensed veterinarian for diagnosis and treatment of your pet's health conditions.