I am having the same problem. He's on an antibiotic and apoquel. His feet are oozing and so sore. My vet suggested keeping his feet dry and using Gold Bond Medicated powder. I have been doing that, but he keeps licking his feet. I almost want to cover them with a breathable material to make...
I have my Gus on Apoquel. It works well for him. He still gets cysts, but not as bad as he did before he started apoquel. I recommend it, it really does work for him.