I agree with RarePuss, although it may seem a little cruel... I have 3 cats, Skittle, my oldest that is 6.5 is the alpha, then there is the middle cat Littlefoot who is about 6 years old and then youngest Toby who is about 4... Toby is pretty much a feral that after months and months of feeding...
Your vet didn't recommend a veterinary prescription food? My cat had this and he is now on Royal Canin SO cat food and hasn't had it occur again.... I, also, invested in 3 water fountains to encourage my cats to drink more and they drink a lot more then did before!
My cat use to have acne when we used plastic bowls so we switched to ceramic and applied hydrogen peroxide with a cotton ball, which worked pretty well. He would still occasionally get it, but it completely went away when we moved from San Diego to Northern Nevada. Not sure if the climate is why...
You may want to give the Feliway collars a chance... I didn't notice much change with the diffusers, but did notice a change with the collars.... I have 3 cats (Skittle, Little Foot and Toby) and two of them wear them. 2 of my cats (Skittle and Toby) kept ganging up on Little Foot. Skittle who...
I've had issues with this as well.... It started when I got a self cleaning litter box, it completely freaked out my anxious cat and he started peeing every where but the litter box. Once I realized he was freaked out over it, I got rid of it, but he still kept going in other places... I brought...