The following are ingredients that can cause serious clinical signs requiring medical intervention: baclofen, flurbiprofen, diclofenac, ketamine, lidocaine, dibucaine, 5 - fluorouracil, calcipotriene as well as others. (aspca.org)
Vitamin D - 3 can interfere with the function of medications like digoxin, atorvastatin and calcipotriene. (healthyeating.sfgate.com)
Excess: Common cause: Ingestion of vitamin D - based rat poison or calcipotriene (Dovonex ®), a human psoriasis cream. (themeowingvet.com)