Why is my French Mastiff losing hair on his neck and leg?

Question

My French Mastiff lost some hair on his neck and his front right leg. What could cause this to happen? Pet's info: Dog | French Mastiff | Male | unneutered | 5 months and 18 days old | 50 lbs

Mara Howard, DVM · Accepted Answer

Thanks for using Petco Pet Education Center, formerly Petcoach! I’m sorry to hear Arrow is having hair loss. Lesions like you are describing can have a variety of causes, including allergies, skin parasites (fleas or mites), an infection (bacterial or fungal), or another underlying medical issue. I would recommend he be evaluated by his regular veterinarian to determine the underlying cause for his skin lesions, have any necessary testing done (skin scraping, culture), and start any treatment that he may need (parasiticide, anti-itch medication, antibiotics). Good luck!

Why is my French Mastiff losing hair on his neck and leg?

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