Apoquel chewable tablets contain 3.6, 5.4 or 16 mg oclacitinib (as oclacitinib maleate) and pork liver powder as flavouring. Light to dark brown pentagon shaped mottled tablets, with score lines on both sides. The tablets are debossed with the corresponding strength ((“S S” for 3.6 mg, “M M” for 5.4 mg and “L L” for 16 mg). The tablets can be divided into equal halves.