
THE CONDITION MOST FREQUENTLY MISDIAGNOSED AS APPENDICITIS IS
- A. Renal colic
- B. Round ligament syndrome
- C. Preterm labor
- D. Pyelonephritis ✓
- E. Cystitis
Pyelonephritis is the condition most frequently misdiagnosed as appendicitis. Pyelonephritis is an infection of the kidney and upper urinary tract, usually caused by bacteria spreading from the bladder. The symptoms of pyelonephritis can mimic those of appendicitis, such as abdominal pain, fever, and nausea. Due to the overlapping symptoms, pyelonephritis can be mistaken for appendicitis during diagnosis.
Renal colic, round ligament syndrome, preterm labor, and cystitis are conditions that can also cause abdominal pain but are less commonly misdiagnosed as appendicitis compared to pyelonephritis.
In summary, when considering conditions that are frequently misdiagnosed as appendicitis, pyelonephritis stands out as the most common culprit due to its similar symptom presentation.

Don Steve is an education enthusiast and blogger passionate about making learning accessible, engaging, and impactful. With a focus on practical strategies, academic insights, and personal growth, he shares resources that empower students, educators, and lifelong learners to thrive in and beyond the classroom.