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LennyDVM, Veterinarian
Category: Dog
Satisfied Customers: 548
Experience:  30 years as owner of a mobile practice treating dogs, cats, horses and other pets.
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i just noticed a rough fur patch on my dog front leg, she has

Resolved Question:

i just noticed a rough fur patch on my dog front leg, she has been licking and chewing on that spot, today i noticed it was rouch and had some black color on the fur and when i pulled on the fur it just cae right off, whats wrong with my puppy?
Submitted: 8 years ago.
Category: Dog
Expert:  LennyDVM replied 8 years ago.

The most likely cause started with irritation that she licked. This causes a superficial infection (hot spot). The infected skin itches and a vicious cycle continues of itch - lick - itch - lick.


This is commonly caused by flea and tick bites, but also by any other irritation that causes the dog to itch (lick/chew) the area.


Treatment is cleaning it and using ointment. If you have ointment with antibiotics and steroids (Panalog, Dermavet, etc.) it works best. Human OTC 1% hydrocortisone cream or ointment is OK, but often not strong enough to stop the itch.


Bitter apple is a product that tastes bad. It is make to spray on and stop chewing. It has some alcohol, which also calms itching after the initial burning sensation.


Severe cases may need systemic antibiotics and/or prednisone (a corticosteroid).


Let me know if you have follow up questions.


If she doesn't stop, call your vet either for a visit or for medication.

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