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How can I prevent my dog's environmental allergies and hives?

Updated on September 23rd, 2025

Pet's info: Dog | Pit Bull Terrier | Female | spayed | 11 months and 11 days old | 61 lbs

My 11-month-old Pit Bull Terrier Mix has been experiencing reoccurring allergic reactions. Typically they will present themselves as hives or small bumps on her skin. I have treated these reactions by giving her a Benadryl tablet and they normally clear up within a couple of days. I have done everything I can to prevent these episodes from occurring, but they keep resurfacing. I have a feeling it may be environmental and may be caused by grass/trees/plants. How can I prevent this from happening?

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on August 31st, 2017

Hello, thank you for using Petco Pet Education Center, formerly Petcoach. Allergies are frustrating for people & pets. Unless you go for testing & a subsequent desensitization protocol, we really can not cure allergies. Almost all dogs will react to an allergen with skin symptoms, so your Brooklyn is showing typical signs. If the Benadryl seems to help, you can use it as needed. There are other OTC antihistamines available ( see petplace.com/antihistamine use in dogs ), but some of the best are available through your veterinarian. Apoquel, a pill you give daily, or as needed, and an injection called Cytopoint that will give Brooklyn relief for up to 2 months are now available. Otherwise, minimizing outdoor times when pollen counts are high, regular bathing in an oatmeal based shampoo in cool water, or even just wiping her down immediately after she comes in from outdoors will all help.
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