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Kidney disease symptom 1: Excessive foamy urine that does not disappear for a long time. This phenomenon indicates a higher amount of protein excreted in the urine, which may suggest the typical symptom of kidney disease—proteinuria.Kidney disease symptom 2: Urine discoloration. The urine may appear the color of strong tea, like dirty water, soy sauce, or very cloudy like rice washing water. In such cases, seek medical attention immediately.
Kidney disease symptom 3: Excessive or insufficient urine output. The average daily urine volume for a healthy person is about 1,500 milliliters, with 4-8 urination sessions per day. If there is no fever, excessive sweating, or large amounts of fluid intake, and the urine output suddenly decreases or increases, it is advisable to visit a hospital for related examinations to check for kidney problems.
Kidney disease symptom 4: Nocturia. People under the age of 60 generally do not have nocturia. If young individuals experience an increase in nighttime urination, it may be an early sign of poor kidney function.
Kidney disease symptom 5: Edema. Upon waking in the morning, swelling may appear in the eyelids or face, which often subsides by the afternoon. The swelling may worsen after physical exertion and improve after rest. Severe edema may appear on the inner sides of the ankles, lower limbs, or the lumbar and sacral regions.