a 19-year-old woman presents with a 4-day history of fever accompanied by chills, nausea, vomiting, and back pain. she denies any chest pain, cough, or urinary symptoms. on further questioning, she said she had 2 episodes of diarrhea yesterday with vague abdominal discomfort. she has no other significant past medical history, is on no medications, and has no allergies. family history is significant for hypertension in father and arthritis in mother. she is single, has no children, does not smoke or drink, and works part time as a waitress. on exam she has a temperature of 102.4°f, pulse rate of 110/min, bp 110/60 mmhg, and sp02 of 92%. mucous membranes are dry, and sclera is clear. lungs are clear, and heart sounds are normal. there is mild left flank tenderness and tenderness in the left costovertebral angle. labs: hb 12g/dl, wbc 17,000/ul, bands were 18% and platelets 350,000/ul. chest x ray and ekg are normal. urinalysis shows 35 wbc, 6 rbc, and no casts. question: what is the most likely diagnosis?

A 19-year-old woman has a 4-day history of fever accompanied by chills, nausea, vomiting, and back pain. She also complains of abdominal discomfort. Most likely diagnosis is : pyelonephritis.

What is pyelonephritis?

Inflammation of the kidney due to a bacterial infection is called pyelonephritis. The inflammation of the kidney is due to a type of urinary tract infection (UTI). The UTI begins in the urethra or bladder and travels to the kidneys.

The cause of acute pyelonephritis is gram-negative bacteria. Fever, frequent urination, and pain in the back, side, or groin are some of the symptoms.

Treatment for this disease includes antibiotics and often requires hospitalization.

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