How long can it be excreted after eating Niuhuang Shangqing tablets?

Generally speaking, taking medicine is a cycle. You are generally required to take it several times a day, that is to say, it will be eliminated with the stool. So it usually takes a few days to a week, depending on the way you urinate, it won't be completely discharged, and there will always be a little bit but it won't cause any drug effect.