Red urine is mostly caused by heat injury to the bladder, excessive fire in the heart, failure of the spleen to regulate blood (the spleen is unable to regulate blood), and failure of kidney qi. Sanhuang Tablet is effective in clearing heat and removing toxins, diarrhea and laxative, and can treat red urine caused by fire. If red urine occurs after taking Sanhuang Tablet, it may be caused by other reasons, please consult your doctor. Sanhuang Tablet, composed of rhubarb, berberine hydrochloride and scutellaria baicalensis extract, has the effect of clearing heat and removing toxins, diarrhea and laxative. It is used for eye redness and swelling pain, mouth and nose sores, sore throat, swollen gums, heartburn and thirst, yellow urine and constipation caused by triple jiao heat (chest and abdomen heat evil is heavier). Occasional nausea, vomiting, skin rash and medicinal fever in a few patients, which disappeared after stopping the medicine. Pregnant women, patients with hemolytic anemia and patients with glucose-6-phosphate dehydrogenase deficiency are prohibited, and it is not advisable to take tonic Chinese medicine at the same time during the period of taking the drug. If red urine occurs, it is recommended to go to the regular hospital for timely treatment. If taking Sanhuang Tablet, you need to consult a professional doctor.