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Doc Sara
Doc Sara, Veterinarian
Category: Dog
Satisfied Customers: 952
Experience:  I am a dog and cat veterinarian with a lifetime of experience in our family veterinary hospital.
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I have a mulitipoo and he is biting s fur off. It was by s

Customer Question

Hi, I have a mulitipoo and he is biting his fur off. It was by his Tail a few weeks ago but today it got really bad. He had scratched all the fur off of his face and eye on one side and some on the other eye. It is really bad, what can cause this and what can I do in the meantime to keep the sores from getting infected.
Submitted: 1 year ago.
Category: Dog
Expert:  Doc Sara replied 1 year ago.

Hi there, I'm Dr. Sara. I'm a licensed veterinarian who works exclusively with dogs and cats. I'm sorry to hear that your pup has been itchy - I'll do my best to help. There will be a delay of 5-10 minutes while I type up my thoughts for you. You can reply at any time with more information or questions.

~Dr. Sara

Expert:  Doc Sara replied 1 year ago.

The vast majority of itching and skin troubles in dogs is caused by allergy. In some cases there can be other issues like mange mites, but this is significantly less common. Often in the beginning the allergy is steroid responsive (ie: gets better with steroid treatment) and they may only flare up once or twice a year, but they get worse as they get older, flaring up more often. For my patients who have infrequent flare ups, I’m usually just managing them on an as-needed basis treating the flare ups as they come.

Allergies can cause dogs to lick their paws and scratch in many places on their body. They can also lead them to get secondary infections with bacteria and/or yeast. Any secondary infections that may be going on, as these can make them much much more uncomfortable and cause hair loss, scabs, redness, and a foul odor. Treatment is often accomplished by topical treatments, oral antibiotics, and sometimes oral antifungals. It’s important to realize that it takes 3-4 weeks and maybe longer for bacterial and yeast infections to resolve with appropriate treatment. It’s very difficult to say what a dog is allergic to without a lot of testing.

There are three broad 'flavors' of allergy: flea allergy, food allergy and atopy (allergy to things in the environment like grasses, trees, or pollens).

With flea allergy, the itching and hair loss is centered on the caudal dorsum (the top of the lower part of the back), thighs, rear legs, and hind end. It's accompanied by the presence of at least one flea, usually many. Just one bite can cause an allergic pet to become intensely itchy and develop secondary infections that can perpetuate the itching even after the fleas are gone. Obviously flea allergy doesn't improve until the fleas are controlled. If you'd like more information about flea control, just ask and I'll be happy to provide it.

As for food allergy, pets can become allergic to a diet at any time in their lives just like we develop allergies as we age. In order to check for/treat for food allergy, we do what is called a 'food trial'. This is where the pet is fed nothing but a strict hypoallergenic diet. I use Iams Response KO, Royal Canin novel protein or Anallergenic diets in my practice however there are a lot of good diets out there. A pet must be on this strict food trial for 3 months to determine if it's really food allergy. I really recommend a food trial for dogs when I suspect allergy because if you get a good response from the hypoallergenic food, then you can give your pet less drugs in the long run. It’s important to be consistent and not give any treats that aren’t in the diet plan. Anything that goes into her mouth could cause an allergic reaction, so if she eats it and begins to itch it will mask any positive response you will see from the diet trial..

There are a number of treatments for atopy (or environmental allergy). Usually a food trial is performed first before these. A dermatologist can test the pet to find out exactly what they are allergic to and make an allergy vaccine, just like they do in people. This is called allergen-specific immunotherapy. Some pets can be managed with antihistamines (like benadryl) when all of their secondary infections have cleared up. Some veterinarians (myself included) have had a lot of success with a drug called Atopica. Atopica is a maintenance drug to help prevent allergy flare ups, however it can be very expensive. Another allergy maintenance medication that has great potential is Apoquel, but it is very new to the market and so far extremely difficult to come by.

The majority of itchy dogs in my practice get symptomatic treatment with antihistamines or steroids +/- antibiotics or antifungals if they are needed. If they respond well to treatment and don't flare up too often, then we just treat them on an as needed basis. Until you can get him to your vet, placing physical barriers like shirts/onesies or having him wear an E-collar to prevent licking, chewing, or face rubbing/scratching can be helpful. Antihistamines can sometimes be helpful - the dose is 1mg per pound of body weight up to every 8 hours. I would recommend discussing this with your vet first especially if he has any prior health conditions or is on any other medications. A cool water rinse can help constrict the blood vessels and cause a temporary decrease in itching. Topical application of a triple antibiotic ointment +/- hydrocortisone can sometimes help with local control of small lesions.

I hope that this is helpful - please let me know what other concerns I can handle for you

~Dr. Sara

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Expert:  Doc Sara replied 1 year ago.
Hi,
I'm just following up on our conversation about your pet. How is everything going?
Doc Sara