Belly and Leg "Rash" on Dog
(Deer Park, TX)
I have a 4yr old female chocolate lab (Scout) that has developed a rash over the past week on her back legs, belly and lower chest area.
For a background: We had her tested months ago for allergies since her hair on her back was thinning and she had dandruff and hot spots on her lower back. Tests came back that she was highly allergic to beef, cows milk, and barley.
We switched her food months ago and she has done well; her dry itchy skin improved and her hair started coming back and became thicker. She hasn't had any flare-ups until whatever this "rash" is.
We also have her yellow, 8 month old puppy that is not having any issues.
They are both being fed a large breed puppy dry dog food made by Bill and Jack (as that has been the only thing I've been able to find in my local pet stores that does not have beef or barley in it).
This "rash" started on Scout's hind quarters/back of thighs and looked more like round peeling areas of skin; no redness, slight itching and looked basically like how people's skin looks when it's peeling after a sunburn (without the redness). A day or two later, I noticed the red "rash" bumps coming up on her lower belly. The peeling skin patches were also spreading up her belly as well.
I began giving her Benadryl three times a day (she weighs about 95 pounds) and rubbing Benadryl creme on her belly. I saw no signs of bug bites, no fleas, no ticks, so I figured this was an allergy to something.
The 8 month old puppy (Koda) is not having any symptoms. The creme seems to be helping with the peeling skin (basically moisturizing it), but the red bumps are now all the way up her belly and are redder than they started out, and her lower chest and armpits are becoming effected as well.
She doesn't lick her belly or seem to be bothered by it, except that she occasionally scratches the back of her thighs with her mouth. I've also put Cortizone creme on her belly and nothing seems to be working...
I thought the mosquito fogger I used two weeks ago on the backyard grass could have had something to do with it since the "rash" started on the back of her legs (i.e. when she squats), but I didn't let the dogs out in the backyard for at least two hours after I fogged and again, Koda has no symptoms.
Also, the "rash" didn't start showing up until about 4 days later. Some of the red bumps now have small puss pockets (pimples) like how an ant bite would appear a day or two after a bite.
I've checked the back yard and we have no ant piles anywhere and like I said, she's indoor practically the whole day. If she does go out I am almost always with her the whole time, so I should have noticed if she was bitten by anything.
I work from home so both dogs are inside the majority of the day and only go outside to potty or chase a neighborhood squirrel.
Any ideas? I hope this is enough information. :)
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