What should you know about cloudy red urine?

Red urine can reflect bleeding from the kidneys, ureters, bladder, or urethra. Cloudiness may accompany infection, crystals, or inflammatory cells. A stone can cause strong pain in the side or groin, while a urinary tract infection may bring burning, urgency, pelvic discomfort, or an unusual smell. Kidney infection may add fever, chills, nausea, or back pain. Period blood, vaginal bleeding, some foods, and medicines can imitate red urine, so appearance alone cannot identify the source.

Do not ignore a new red or rust-coloured urine change, even if it is painless. Note its timing, whether it happened after exercise, and any clots or urinary symptoms. Arrange a medical assessment for unexplained or repeated colour change. A clinician may test a fresh urine sample and decide whether further evaluation is needed. The Cloudy Urine information page can help you describe associated changes accurately.

Seek urgent care for heavy visible blood, clots, inability to pass urine, severe or one-sided pain, fever, shaking, vomiting, faintness, or marked weakness. These signs can indicate obstruction, bleeding, or infection requiring same-day attention. If symptoms are milder but the red colour persists, contact a clinician soon rather than waiting for it to disappear.

Ask what the urine test showed and whether you need imaging or specialist review. Mention period or vaginal bleeding, medicines, recent vigorous activity, previous stones or infections, pain location, fever, and changes in how often you urinate.