Tried a few other allergy products like Benedryl and Zyrtec that did nothing for my dog and was recommended this product by a Vet to help control the itchy feet and ear infections my dog gets. I worked my way up from 1 twice a day to 1 three times a day and nothing.
https://www.amazon.com/Major-Pharmaceuticals-Chlorpheniramine-Maleate-Anti-Allergy/dp/B005TM1YIG