Wellness for Life Blog | Does UTI Cause Backache? UTIs can cause discomfort beyond the bladder including lower backache. This pain may signal a spreading infection, which needs urgent care. Learn about warning signs, when to see a doctor, and how to treat it effectively. At Wellness for Life Blog, we explain symptoms and offer tips to stay infection-free. Understand what your body is trying to tell you click now to get clear answers on UTI-related back pain.