3. Orange
Possible causes:
Dehydration (concentrated urine)
Vitamin B2 (riboflavin) — common in multivitamins (harmless)
Certain medications (e.g., rifampin, phenazopyridine)
See a doctor if:
Accompanied by dark stools or yellow skin (jaundice) — could indicate liver or bile duct issues
4. Pink or Red
Possible causes:
Beets, blackberries, or rhubarb — harmless food pigments
Medications like senna (laxative) or rifampin
Exercise-induced breakdown of red blood cells (rare)
See a doctor if:
No food explanation
Painful urination, back pain, or fatigue
Could be blood in urine (hematuria) — from UTIs, kidney stones, or bladder issues
5. Blue or Green
Rare, but possible causes:
Food dyes (especially in candies or drinks)
Medications (e.g., amitriptyline, propofol, indomethacin)
Bacterial infections (like Pseudomonas) — usually with foul smell or symptoms
Often harmless, but worth investigating if persistent.Possible causes:
Severe dehydration
Liver disease (e.g., hepatitis, cirrhosis) — due to excess bilirubin
Kidney disease or rhabdomyolysis (muscle breakdown)
Certain medications (metronidazole, methocarbamol)
See a doctor immediately if you have dark brown urine without a clear cause.
When to See a Doctor
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Condiments & Dressings
Food & Drink
Dairy & Eggs
Seek medical attention if your urine is:
Red, brown, or cloudy — without food or supplement explanation
Foul-smelling — especially with pain or fever
Foamy or bubbly — could indicate protein in urine (kidney issue)
Frequent changes — that don’t respond to hydration
A simple urinalysis can check for infection, blood, protein, or sugar.