Shorter Antibiotic Courses May Be Safe for Simple UTIs, Study Finds

A recent study from researchers in Singapore and China suggests that shorter antibiotic treatments may be enough for children with uncomplicated urinary tract infections (UTIs). The review analyzed 13 clinical trials involving more than 2,000 children with an average age of nearly 6 years. Researchers compared short antibiotic courses lasting two to five days with the traditional longer treatments of seven days or more.

The findings showed that shorter treatments were just as effective as longer ones in preventing relapse or reinfection. There were also no major differences in bacterial cure rates, symptom improvement, or side effects between the two groups. This is important because reducing unnecessary antibiotic use may help lower the risk of antibiotic resistance and decrease medication-related complications.

Researchers noted that many children become clinically stable within only a few days of starting antibiotics, raising questions about whether longer treatments are always necessary. However, the authors also stressed that more research is needed for infants, children with recurrent UTIs, and those with fever-related infections, since data for these groups remain limited. Overall, the study supports the idea that carefully monitored shorter antibiotic courses could become a safe and practical option in uncomplicated UTI cases.

Liu M, Wang Q, Yan P ...Shorter- versus longer-course antibiotics in children with acute uncomplicated UTIs: a systematic review and meta-analysesClinical Microbiology and Infe, ction, 2026; 0