Question:

Most common joint involved in septic arthritis is?

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The knee is the most commonly affected joint in septic arthritis.
Updated On: Jun 23, 2026
  • Knee
  • Hip
  • Shoulder
  • Elbow
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The Correct Option is A

Solution and Explanation

Step 1: Septic (acute suppurative) arthritis is a pyogenic bacterial infection of a joint, usually reaching the joint by haematogenous spread from a distant site.
Step 2: It is more common in children, who present toxic with fever, severe pain, swelling and redness, with the joint held in the position of ease.
Step 3: Among all joints, the knee is the most commonly affected joint.
Step 4: The hip, shoulder and elbow are also involved but less frequently than the knee, so the answer is knee.
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