Irritation from the infection or the passing of a kidney stone (if one is present) can cause spasms of the ureters. If the ureters go into spasms, people may experience episodes of intense pain (renal colic). [merckmanuals.com]

• Asymptomatic

  Urinary tract infections and asymptomatic bacteriuria in pregnancy. https://www.uptodate.com/contents/search. Accessed June 2, 2022. Ferri FF. Pyelonephritis. In: Ferri's Clinical Advisor 2022. Elsevier; 2022. https://www.clinicalkey.com. [mayoclinic.org]

• Back Pain

  Symptoms of pyelonephritis often begin suddenly with chills, fever, pain in the lower part of the back on either side, nausea, and vomiting. [merckmanuals.com]

• Irritability

  Deodorant sprays in the genital area or douches can be irritating. Aug. 06, 2022 Kidney infection (pyelonephritis). [mayoclinic.org]

  Irritation from the infection or the passing of a kidney stone (if one is present) can cause spasms of the ureters. If the ureters go into spasms, people may experience episodes of intense pain (renal colic). [merckmanuals.com]

Imaging tests are done in people who have intense back pain typical of renal colic, in those who do not respond to antibiotic treatment within 72 hours, in those whose symptoms return shortly after antibiotic treatment is finished, in those with long-standing [merckmanuals.com]

Kidney infection treatment often includes antibiotics, which might be given in the hospital. [mayoclinic.org]

Prevention Reduce your risk of kidney infection by taking steps to prevent urinary tract infections. Women in particular may lower the risk of urinary tract infections if they: Drink fluids, especially water. [mayoclinic.org]

If the infection returns, preventive therapy may be continued indefinitely. [merckmanuals.com]