I have a 7-year-old male Zuchon that suffers from atopy. I currently give him NaturVet Aller 911 Skin & Coat Allergy Aid Dog & Cat Soft Chews every day, bathe him with Vet's Best Allergy Itch Relief Shampoo for Dogs once a week, give him Vet's Best Seasonal Allergy Support Dog Supplement daily...