Letter K
Knee pain
Also known as: Painful knee
Knee pain symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Pain in the knee can come from muscle strain, injury, or inflammation. This is general information only, not a diagnosis. Severe, sudden, or fever-related pain needs professional assessment.
Possible causes
- Muscle strain or posture
- Injury or overuse
- Joint inflammation
- Infection (less often)
When to see a doctor
See a clinic if knee pain is severe, limits activity, lasts a week, or comes with swelling/fever.