The redness of urine after taking bivalirudin does not need to stop the drug if there is no discomfort; if accompanied by other conditions, you may need to stop the drug as prescribed by the doctor. The main ingredient of bivalirudin capsules is bivalirudin, after taking the drug there will be metabolites of rhubarbic acid production, which appears in the urine may lead to a change in the color of the urine, showing a reddish situation. This situation does not affect the normal effect of the drug and health, so there is no need to stop the drug. This phenomenon will subside naturally after discontinuation of the drug. It is contraindicated in patients with known hypersensitivity to bisacodyl ryanin or a history of hypersensitivity to anthraquinone derivatives. Common adverse effects of the drug are gastrointestinal discomfort such as diarrhea. If patients experience urinary tract problems such as urinary frequency, urgency, or pain in urination along with a change in the color of the urine, it is recommended that they seek medical attention, and under the supervision of a doctor, the cause of the urinary tract problems should be determined by examination and treated by suspending the use of the drug or by taking other medications under the supervision of the doctor.