One piece of coptis supernatant is enough for cats.

Coptis Shangqing Tablets, also known as berberine hydrochloride, are Chinese patent medicines. The adult dosage is 4 tablets orally once, 3 times a day. A cat weighing 9 pounds can take half to 1 Coptis Shangqing Tablets.

Coptis Shangqing Tablets have the functions of dispersing wind, clearing away heat, purging fire and relieving pain. It can treat acute conjunctivitis, acute suppurative otitis media, dental inflammation, laryngeal paralysis, aphtha, and recurrent aphtha.