jroovers
New member
Does anyone know if Interceptor (milbemycin oxime) is back in production? If not, is Trifexis (milbemycin oxime + spinosad) a suitable system-wide substitute? I did a quick search of Trifexis and did not come up with much. I want to know if using Trifexis is a suitable alternative for Interceptor before I give my vet a call and ask for Interceptor, and being offered Trifexis as a substitute.