Orange Urine: Causes, When to Worry & What to Do

Orange urine can result from benign (diet, meds) or serious (liver, biliary) causes. Key differential:

Common Benign Causes

• Dehydration: Concentrated urochrome → amber/orange.
• Medications: Rifampin (red-orange), phenazopyridine (orange), warfarin, some laxatives, chemo agents.
• Foods: Carrots, beets, blackberries, rhubarb (beta-carotene, betalains).
• Supplements: High-dose vitamin C, B-complex, beta-carotene.

Medical Causes Requiring Evaluation

• Liver/biliary disease: Hepatitis, cirrhosis, bile duct obstruction → bilirubinuria (dark orange/brown).
• Hemolysis: Hemoglobinuria (red-brown) from RBC destruction.
• UTI: Some bacteria produce pigments.

Action Steps

1. Hydrate well; observe if color normalizes.
2. Review recent meds/supplements/diet.
3. If persists >24h with hydration, or accompanied by jaundice, abdominal pain, fever, dark stools → see clinician for urinalysis, LFTs, imaging.