Is dark smelly urine in females a sign of pus in the urethra?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Dark, smelly urine in females may signal a urinary tract infection (UTI), dehydration, or other underlying conditions. While these symptoms can accompany a UTI, they do not specifically indicate pus in the urethra. Pus discharge typically points to a separate issue, such as a sexually transmitted infection or urethritis, which requires distinct evaluation.

Because urinary symptoms can stem from many causes—ranging from mild dehydration to infections needing prompt treatment—it's important to identify what's driving your symptoms before they worsen. Take a free, instant, online symptom check to better understand possible causes and confidently plan your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Dark and smelly urine can be concerning, and one possible cause is a urinary tract infection (UTI). Malodorous urine is often associated with UTIs.

Key Points:

Smell and Color: While smelly urine can be a sign of a UTI, the color and smell alone do not confirm the presence of pus in the urethra.
Other Symptoms: UTIs may also cause symptoms like a burning sensation when urinating, frequent urination, and sometimes fever.
Diagnosis: To determine if there is an infection or pus, a healthcare provider may perform tests such as a urinalysis.

If you notice dark, smelly urine along with other symptoms, check your symptoms with our free AI symptom checker to help determine whether you should speak with a healthcare provider for proper evaluation and treatment.

(References)

Midthun SJ, Paur R, & Lindseth G. (2004). Urinary tract infections. Does the smell really tell?. Journal of gerontological nursing, 15227931.
Gauthier M, Gouin S, Phan V, & Gravel J. (2012). Association of malodorous urine with urinary tract infection .... Pediatrics, 22473364.
Thergaonkar RW, & Hari P. (2020). Current Management of Urinary Tract Infection and .... Indian journal of pediatrics, 31828601.

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