We have had very good luck with Program for ringworm. The vet prescribes double the dose for fleas, etc. and it can be given prophylactically. I dosed all of my cats twice two years ago when I had the outbreak among the kittens. The kittens were also quarantined. There were no adverse effects from the Program. For the spots my vet prescribed Trezaderm. It contains an anitfungal, an antibiotic and a topical steroid. A little goes a VERY long way.

I had three kittens in quarantine; two got it, the third didn't. Weird, huh? Ringworm is sure a pain in the ...