What causes a high fever lower backache and fatigue?

Possible causes:

* Kidney infection (pyelonephritis)

* Urinary tract infection (UTI)

* Appendicitis

* Diverticulitis

* Pancreatitis

* Cholecystitis

* Ectopic pregnancy

* Ovarian cyst

* Pelvic inflammatory disease (PID)

* Tuberculosis (TB)

* Cancer

Seek immediate medical attention if you experience any of the following symptoms along with a high fever, lower backache, and fatigue:

* Severe pain

* Nausea and vomiting

* Diarrhea

* Blood in your urine

* Difficulty urinating

* Chills

* Confusion

* Seizures

* Shortness of breath

* Chest pain

These symptoms could be a sign of a serious medical condition that requires prompt treatment.