Soy sauce colored urine usually means hematuria, and better the next day usually means that hematuria disappears on its own, but not necessarily that it is truly better. Consider with urinary stones, urethritis, pyelonephritis, urinary system tumor and other diseases.
1. Urinary stones: such as bladder stones, ureteral stones, etc., the activity of stones may cause symptoms of hematuria, but the next day is well again false, there may also be pain in the lower back and abdomen, urinary frequency, urinary urgency and other symptoms.
2. Urethritis: usually due to the urethra in the inflammatory stimulation, resulting in damage to the epithelial cells of the mucosa of the urethra, so that the phenomenon of hematuria but the next day well, and there will be symptoms of urinary urgency, urinary pain, dysuria and so on.
3. Pyelonephritis: The metabolic function of kidney may be damaged due to pyelonephritis, which makes the body unable to metabolize normally, thus causing hematuria but better the next day, and it may be accompanied by low back pain, fever, loss of appetite, nausea and other symptoms.
4. Tumor of urinary system: the more common tumors are bladder cancer, renal pelvis cancer and ureteral cancer, etc. The main manifestation is intermittent painless hematuria, which needs to be clarified by ultrasound of urinary system, CT and cystoscopy.
If the urine is soy sauce color the next day, you can continue to observe, if abnormal again, it is recommended to go to the hospital to avoid delaying the condition.