Her dose may need to be altered ... Pharmacokinetic interaction of the antiparasitic agents ivermectin and spinosad in dogs. Drug Metab Dispos. 2011 May;39(5):789-95. doi: 10.1124/dmd.

Here are a few cancer types that may respond to ivermectin. Related: Ivermectin and Doxycycline for Cancer in Dogs: Doses & Warnings This is frequently diagnosed in dogs that were never spayed and ...