My vet says my golden retriever has allergies - food and grass. Have tried various pet food for sensitive skin, some very expensive, and also using Malaseb shampoo weekly. Don't see fleas - ever. She's inside alot but takes lots of walk and plays in the back yard. She chews her paws, scratches everywhere. Have used Benadryl but I hate to think she will have to live on that. Nothing really seems to help. What to do? Have heard fish oil, Vit 3, Omega 3's, help. What do you think. Have tried at least 6 different foods - Science Diet, Hills, Nutro, Purina (which she was raised on for at least 6 months before this intense itching), Wolf---something. Have tried eliminating beef and chicken. No relief. On Nutro - salmon and potato ? Help! My pooch is itchy, and while I trust my vet, I think he is out of ideas.