We took him to our vet, who prescribed Vanectyl (an antihistamine and prednisone combination medication), two pills every other day, and we put him on a hypoallergenic diet of lamb and rice dog food. His allergies over the summer went from tolerable to worse by late July and August, when it got so bad that he had to go on prednisone for a couple of weeks plus take three Vanectyl pills a day! Supplementation with omega 3 fatty acids has been shown to be very effective in reducing the level of pruritus in about 30 to 40 per cent of allergic patients. Your third option is to have your dog allergy-tested to determine which allergens he is allergic to and then start allergy injections, a procedure called âimmunotherapy. Since your dog appears to be symptom-free during the winter months, it is unlikely that a hypo-allergenic diet would prove helpful, but speak to your veterinarian about whether or not your dog would benefit from one.

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