Abby, my labrador, has had environmental allergies to some extent, since she was around two years old, when she developed her first hot spot on her chest. Yesterday, she turned nine. Luckily, for most of those years, she’d been doing well on these supplements http://amzn.to/2oabvd7 and this shampoo http://amzn.to/2oQ9PEc. Every year, around June, she’d go on the supplements and get her medicated baths about once a month until August or September, when the offending allergen had subsided. We were then good until the next summer. That was our schedule.