How long does a UTI last without treatment?
A urinary tract infection (UTI) may persist for several days to weeks if left untreated, with a risk of worsening or developing complications.
Detailed Medical Explanation
Most UTIs will not resolve without treatment and symptoms can persist for a week or longer. In some cases, the infection may clear spontaneously, but there is a risk of progression to kidney infection (pyelonephritis) or sepsis, particularly in vulnerable groups. Medical intervention with antibiotics is strongly recommended. NHS UTI advice.
Clinical Context
Untreated UTIs can be dangerous, especially in pregnant women, the elderly, or those with diabetes. Clinics advise prompt treatment to avoid complications.
Evidence-Based Approaches
NICE and NHS recommend antibiotics as standard care. Delay in treatment increases risks. Always consult a healthcare provider if UTI symptoms persist beyond a few days.