Urine odor refers to the smell from your urine. Urine odor varies. Most of the time, urine does not have a strong smell if you are healthy and drink plenty of fluids.
Most changes in urine odor are not a sign of disease and go away in time. Some foods and medicines, including vitamins, may affect your urine's odor. For example, eating asparagus causes a distinct urine odor.
Foul-smelling urine may be due to bacteria. Sweet-smelling urine may be a sign of uncontrolled diabetes or a rare disease of metabolism. Liver disease and certain metabolic disorders may cause musty-smelling urine.
Some conditions that can cause changes in urine odor include:
When to Contact a Medical Professional
Call your health care provider if you have signs of a urinary tract infection with abnormal urine odor. These include:
- Burning pain with urination
- Back pain
Landry DW, Bazari H. Approach to the patient with renal disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 116.
Israni AK, Kasiske BL. Laboratory assessment of kidney disease: clearance, urinalysis, and kidney biopsy. In: Brenner BM, ed. Brenner and Rector's The Kidney. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 23.