What's the first red urine in the morning?

In the morning, the first urine is very red, to determine whether it is hematuria, or because of eating certain foods or drugs, and show red urine. Should test urine routine, if there are red blood cells in urine routine, it is hematuria, should find the cause of hematuria. Be sure to do kidney, ureter, bladder B ultrasound, rule out in the end is urinary tract tumor, or urinary tract stones, or urinary tract infection caused by hematuria. Red urine may also be caused by eating certain foods or certain drugs. Many drugs may produce red urine after metabolism, such as rifampicin. Some foods, such as eating a lot of dragon fruit, may also show red urine. It is recommended that you check clearly and decide how to deal with it.