Dear Bob,
There is a particular type of feline acne that is very specific to Persians - so much so that is is named after them - Persian facial dermatitis. You can read about it here:
http://www.fabcats.org/acneandstudtail.html
It is very effectifley treated with a drug called mupirocin.Here is info about this medication:
http://www.blackwell-synergy.com/doi/abs/10.1046/j.1365-3164.1997.d01-16.x
While mild cases of feline acne respond to human acne pads - the more severe type seen in perisan cats usually does not.
Please print this info and show it to your DVM so your boy can get on the proper medication ASAP. Having this isssue is causing him agreat deal of stress which can lead to further ailments especialy in a cat his age.
Please let me know how he is and if you need any further info or links or have any additional questions. I will be more than happy to help in any way possible.
Very sincerely,
Terri
Dedicated to Cats and the people who love them!
Please press ACCEPT if my answer was helpful and leave feedback Thank you! Terri