If you think it's an emergency, call 911.Thinking about suicide? Call or text 988.
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
Most symptoms have more than one possible cause. The symptom checker looks at all of your symptoms together, plus your age, and shows how soon to get care.
Sources
Last updated 2026-11-13.