The causes of red urine in the morning are food staining, menstruation and urinary tract lesions.
1. Food coloring: If you eat a lot of red pigment-rich food like red dragon fruit, mulberry and amaranth before going to bed, after a night of digestion, the pigment that is not absorbed by the gastrointestinal tract can be discharged with the urine the next morning, and the urine will be red.
2. Menstruation: If you have menstruation when you sleep at night, the vaginal opening bleeds, and because the urethral opening is close to the vaginal opening, so when you get up in the morning to urinate, there is a small amount of blood mixed in the urine, i.e., urine red.
3. urinary system lesions: such as urinary tract infection, urinary stones and other urinary system lesions, urethral epidermal cells are infiltrated by inflammatory cells or scratched by stones, causing the urethral epidermis on the capillaries to break bleeding, in the morning when urinating, these blood with the urine together, urine can be red.
If you get up in the morning and urinate red, you should go to the regular hospital in time to find out the cause of the disease, and under the guidance of a professional doctor to choose a suitable method of treatment.