Symptoms include frequent urination, burning urination, the feeling you need to urinate and nothing will come out, high fever, chills and back pain. Pyelonephritis may require hospitalization and treatment with intravenous antibiotics. If you have pyelonephritis or recurrent bladder infections during pregnancy, you may have to take antibiotics during your entire pregnancy to prevent reinfection. Another problem involving the kidneys and bladder is kidney stones or urinary calculi. They occur about once in every 1500 pregnancies.
Kidney stones cause severe pain in the back or lower abdomen.
They may also be associated with blood in the urine. A kidney stone during pregnancy can usually be treated with pain medication and by drinking lots of fluid. These emotions are typical at this point in your pregnancy. Most authorities believe they occur from the hormonal changes that continue throughout pregnancy. There is little you can do about periods of moodiness.