Dark Urine
Dark urine refers to urine that appears deeper yellow, brown, or tea-colored than normal. It is often caused by dehydration, liver disorders, or certain medications, but may also indicate serious underlying conditions.

🚨 Seek Immediate Medical Attention
Dark urine may be serious if you have:
- Very dark brown or cola-colored urine.
- Yellowing of skin or eyes (jaundice).
- Severe abdominal pain or swelling.
- Reduced urine output or confusion.
📞 Consult a Doctor
You should seek medical advice if:
- Dark urine persists for more than 24–48 hours.
- There is burning sensation during urination.
- You notice fatigue or weakness.
- Urine color changes without clear reason.
Common Symptoms & Causes
| Urine Appearance | Possible Cause |
|---|---|
| Dark yellow urine | Dehydration |
| Brown or tea-colored urine | Liver disease |
| Red or cola-colored urine | Blood in urine (Hematuria) |
| Foamy dark urine | Kidney disease |
| Dark urine with muscle pain | Rhabdomyolysis |
Causes by Category
Dehydration: Most common cause of concentrated urine.
Excess sweating: Leads to fluid loss and concentrated urine.
Fever: Increases fluid loss from the body.
Hepatitis: Liver inflammation causes bilirubin buildup.
Liver disease: Impaired bile processing leads to dark urine.
Hemolysis: Breakdown of red blood cells.
Kidney disease: Impaired filtration of blood waste.
Medications: Some drugs and antibiotics change urine color.
Muscle breakdown: Releases myoglobin into urine.
Diagnostic Procedures
Urine Analysis
Checks color, protein, blood, and infection markers.
Liver Function Test
Assesses bilirubin and liver enzyme levels.
Blood Tests
Evaluates infection, kidney function, and muscle breakdown.
Ultrasound
Checks liver, kidneys, and urinary tract structure.






