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Pain on the outside of the knee when running

Also called: IT band syndrome

Pain on the outside of the knee when running is often IT band syndrome.

Common causesIT band syndrome
Usually serious?No
Get checked ifSwelling
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Overview

Common in runners.

Stretching helps.

When to get medical care

Call 911Not an emergency.
Get care todayNot usually urgent.
See a doctor soonPain lasting weeks.

Causes

Caused by overuse.

OwieClear has pages on 1 condition that can cause pain on the outside of the knee when running. Each shows how soon to get care.

Common causes

  • IT band syndromeOften treated at home

    Pain on the outside of the knee from a tight, irritated band of tissue, common in runners and cyclists.

What you can do at home

  • Rest.
  • Foam roll.

Medicines

Physical therapy.

At the doctor

Diagnosed by exam.

Questions you may be asked

  • Running

The exam

A knee exam.

Tests

  • None

Prevention

Train smart.

  • Strengthen hips

Check your symptoms

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Sources

Last updated 2026-11-13.