We do not sell Apoquel. You might want to look at our homeopathic product Derma-IonX to aid the skin. It can reduce itching and inflammation. It is easy to give since it liquid. I usually suggest that the dose be split and added to breakfast and supper. I like to use a holistic approach by also using probiotics and Omega 3,6,9. Healing the gut is very important in restoring the immune system and allowing the skin to calm down.
Please let us know if you have any other questions.