What happened to yellow urine after eating bezoar detoxification tablets?

After eating Niuhuang Jiedu tablets, yellow urine, this is very normal, because Niuhuang Jiedu tablets, this drug packaging has a layer of yellow coating, inside is Niuhuang Jiedu tablets. When eating Niuhuang Jiedu tablets, digestion, decomposition, metabolism in the body, the yellow coating outside the packaging, will be excreted through the kidney, the metabolite is yellow, so the urine is yellow. This kind of situation, do not do any treatment, drink plenty of water properly, urinate more, stop two days later, yellow urine will naturally ease, this yellow urine is not pathological, is caused by drugs.