<unk>  is not labeled for use in dogs younger than one due to reports of it causing demodicosis. It should also be avoided in dogs less than . Most of the other contraindications are avoiding cases where a potential side effect exacerbates a pre-existing condition: for example, because<unk>  can cause lumps or tumors, it should not be used in dogs with cancer or a history of it; because it is an immune system suppressant, it should not be used in dogs with serious infections.<unk> , by virtue of its low plasma protein binding, has little chance of reacting with other drugs. Nonetheless, concurrent use of steroids and<unk>  has not been tested and is thus not recommended.
Oclacitinib
Abrocitinib
Upadacitinib
Baricitinib
Erdafitinib
Delgocitinib
Gilteritinib
Dacomitinib