Kidney infections can cause uncomfortable symptoms such as back or side pain, fever, chills, nausea, and changes in urination. But what if those symptoms aren’t constant? You may feel better for several hours, or even a day, only to have the discomfort return. So, do kidney infection symptoms come and go? They can. Symptoms may fluctuate in intensity, particularly during the early stages of an infection. However, feeling better temporarily doesn’t necessarily mean ...