Cat distemper usually goes away after 7 days, because the life cycle of cat distemper virus is seven days. If the cat can persist, it will start to get better on the 8th day, and most of the cat distemper virus in the body will Death, but there may be a small amount of residue, and you need to continue to treat the cat until the cat fully recovers. At the same time, it also helps cats to supplement nutrition and promote metabolism.