Why is the urine coming out red

There are two cases in which the color of urine turns red: one is caused by pigments, such as food, including red pitaya, or fruits and vegetables containing anthocyanins, and urine may appear red or pink; the other is that the color of urine will change after the drug is taken. Discard these factors, if the urine turns red, normal to consider the factors of hematuria, when each liter of urine contains more than one milliliter of blood, the naked eye is visible, normal for the performance of light red, if the amount of bleeding is more than bright red or dark red. Hematuria to distinguish between surgical hematuria or medical hematuria, normal surgical hematuria by stones, tuberculosis, bacterial infection, urinary system trauma and other factors caused. Internal hematuria is caused by a series of factors such as idiopathic thrombocytopenia purpura and hemophilia. It is recommended that patients go to the nephrology department and urology department of regular hospitals for treatment. The doctor analyzes and judges the patient's situation.