Is cloudy smelly urine without pain a sign of pus in the urethra?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Cloudy, smelly urine without pain does not necessarily mean pus is present in the urethra. While pyuria (pus in urine) often signals a urinary tract infection or urethritis, urine changes can also result from dehydration, diet, certain medications, or harmless mineral buildup. However, persistent cloudiness or foul odor should not be ignored, as it can occasionally point to an underlying infection or kidney issue that needs medical attention.

Because symptoms like these can stem from many causes—some minor, some serious—guessing is rarely a good strategy. A free, instant, online symptom check can help you quickly identify possible causes based on your unique symptoms and guide you on whether home care, a doctor's visit, or urgent evaluation is the right next step. It takes only a few minutes and could save you time, worry, and unnecessary trips.

Reviewed for medical accuracy: 07/15/2026

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Explanation

The provided references do not specifically discuss the presence of pus in the urethra or its connection to cloudy and smelly urine.

Reference 1 discusses bladder instillations with certain antibiotics but does not address symptoms like cloudy or smelly urine.
Reference 2 examines the effect of spices on urinary oxalate levels, which is unrelated to the presence of pus or urine appearance.
Reference 3 looks at creatine supplementation's effect on urine but does not mention pus or urine cloudiness.

While these references do not provide a direct answer, it's important to understand that cloudy and smelly urine can have various causes. These may include diet, medications, or infections. If you're experiencing these symptoms, try our free AI symptom checker to help identify potential causes, and consult a healthcare provider for accurate diagnosis and treatment.

(References)

Huen KH, Nik-Ahd F, Chen L, Lerman S, & Singer J. (2019). Neomycin-polymyxin or gentamicin bladder instillations .... Journal of pediatric urology, 30611650.
Tang M, Larson-Meyer DE, & Liebman M. (2008). Effect of cinnamon and turmeric on urinary oxalate .... The American journal of clinical nutrition, 18469248.
Poortmans JR, Kumps A, Duez P, Fofonka A, Carpentier A, & Francaux M. (2005). Effect of oral creatine supplementation on urinary .... Medicine and science in sports and exercise, 16260971.

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