What symptom does yellow urine indicate?

　　Yellow urine may be caused by insufficient water intake, consumption of specific foods or medications, urethritis, cystitis, viral hepatitis, and other factors. If abnormalities occur, timely medical attention is recommended. Detailed analysis is as follows:

　　1. Insufficient water intake: When the body lacks adequate water intake, urine becomes concentrated, increasing the concentration of pigments in the urine, which causes yellow urine. Increasing water consumption to ensure sufficient daily hydration can gradually restore urine color to normal. Developing a habit of regular water intake in daily life is recommended.

　　2. Dietary influence: Consuming large amounts of foods containing carotene, such as pumpkin and carrots, or excessive intake of vitamin B2, can lead to yellow urine as excess pigments are excreted through urine. Once consumption of these foods or medications is stopped or reduced, urine color will return to normal without requiring special treatment.

　　3. Urethritis: Bacterial infection of the urethra causes inflammation, leading to mucosal congestion and edema due to inflammatory irritation. This may result in yellow urine, accompanied by symptoms such as frequent urination, urgency, and painful urination. Patients may take medications such as cefuroxime axetil tablets, levofloxacin hydrochloride capsules, and Sanjin tablets under a doctor's guidance to control the infection and alleviate symptoms.

　　4. Cystitis: Infection of the bladder by bacteria or other pathogens triggers an inflammatory response, altering urine composition and causing yellow urine, often accompanied by lower abdominal pain, frequent urination, and cloudy urine. Doctors generally recommend medications such as amoxicillin-clavulanate potassium tablets, cefaclor capsules, and Relianqing granules to reduce inflammation and improve yellow urine.

　　5. Viral hepatitis: Viral infection causing liver inflammation damages liver cells, leading to abnormal bile metabolism. Bilirubin enters the urine, resulting in yellow urine, often accompanied by symptoms such as yellowing of the skin, dull pain in the liver area, fatigue, loss of appetite, and nausea with vomiting. Doctors may prescribe medications such as entecavir tablets, diammonium glycyrrhizinate enteric-coated capsules, and Yin Zhi Huang oral liquid to inhibit viral replication and protect liver cells.

　　In daily life, maintaining good hygiene habits to avoid the risk of urethral infection, following a regular diet and sleep schedule, and undergoing routine health checkups are recommended.