What should you know about cloudy and stinky urine?

Foul-smelling urine can result from concentration, foods, medicines, or supplements. Cloudiness may reflect salts, mucus, cells, or discharge. A urinary tract infection commonly presents with a strong smell or cloudy urine alongside burning, urgency, frequent urination, or lower abdominal discomfort. A kidney infection can present with fever, chills, vomiting, or pain in the side or back. The smell does not show which cause is present, and a clear-looking sample can still need assessment when symptoms are significant.

Drink fluids normally if that fits your health advice, and note whether the smell changes as urine becomes less concentrated. Consider recent dietary, supplement, or medicine changes, but do not stop prescribed medicines on your own. Book a clinical review if the change continues, returns, or comes with burning, urgency, pain, or blood. A urine sample may help guide care.

Get prompt medical advice for stinky cloudy urine with fever, chills, side or back pain, vomiting, blood, or increasing weakness. Seek urgent help if you are confused, cannot pass urine, or feel severely unwell. Contact a clinician early during pregnancy or with kidney disease or reduced immunity.

Ask whether you need a urine test, how to collect a clean sample, and which changes should prompt urgent care. Describe the smell, when it started, urinary discomfort, fluid intake, and any new food, medicine, or supplement.