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Dr. Andy
Dr. Andy, Medical Director
Category: Dog Veterinary
Satisfied Customers: 28118
Experience:  UC Davis graduate, emphasis in dermatology, internal medicine, pain management
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Have a XXXXX XXXXX Rat terrier mix She has red marks that

Resolved Question:

Have a XXXXX XXXXX Rat terrier mix She has red marks that are bumps all over Did not have them yesterday. Shes squimish and red eyed I just cleaned carpets 2 days ago' Hope its allergic reaction Help me out here
Submitted: 9 months ago.
Category: Dog Veterinary
Expert:  Dr. Andy replied 9 months ago.
Welcome! My name isXXXXX am a UC Davis graduate, and currently, a Medical Director of a veterinary hospital.

I am sorry to hear about this concern for Maggie May.
The very fast onset of what sounds like hives on the body does suggest some type of hypersensitivity reaction, which could include a bite or sting insect reaction.

So, the first therapy to immediately try is an antihistamine.

Benadryl can be given at a dose of 1mg per pound of body weight. Keep in mind, Benadryl tablets and liquids come in different sizes. So, an approximately 25 pound dog can get a full 25mg tablet or a half of a 50mg tablet. I usually avoid the liquid Benadryl in larger dogs (you would have to give too much of it). You can give Benadryl every 8-12 hours.

Another antihistamine to consider is zyrtec (cetirizine). It's advantage is that it is only given once a day. The dose is about 1mg per 2 pounds of body weight. So, a 20 pound dog would get a 10mg dose. It comes over the counter as 5mg or 10mg tablets. Another resource suggests starting with no more than 10mg even for medium to larger dogs.

But!
Generally, with hives, any facial swelling, or bad irritation of the eyes, it is best to get into a vet for a steorid shot, which can usually fairly quickly alleviate a lot of these symptoms.

Keep in mind it can take several hours before any benefit is seen with antihistamines alone.

Please let me know if there is anything I did not cover for you. I hope that information has been helpful.
Please remember to select Reply to Expert, if for any reason you need further clarification, have more questions, or were expecting a different type of answer. DO NOT rate if you are not satisfied yet or have any other questions. My goal is to try and provide you the best answer possible.
Dr. Andy

Dr. Andy, Medical Director
Category: Dog Veterinary
Satisfied Customers: 28118
Experience: UC Davis graduate, emphasis in dermatology, internal medicine, pain management
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