In-Depth
Knee pain
Symptoms
- Symptom Checker Use this Symptom Checker to pinpoint possible causes of your medical symptoms.
- Gout pain: Relief and prevention How to relieve gout pain and prevent future flares.
Tests and diagnosis
- MRI MRI — Overview covers definition, preparation, results of this diagnostic test.
- X-ray X-ray — Overview covers definition, risks, results of this diagnostic test.
- Ultrasound Ultrasound — Overview covers definition, risks, results of this procedure.
- CT scan CT scan — Overview covers definition, risks, results of this imaging procedure.
Causes
- Baker's cyst Baker's cyst — Comprehensive overview covers symptoms, causes, treatment of this bulge behind the knee.
- Patellar tendinitis Patellar tendinitis — Comprehensive overview covers symptoms, causes, treatment of this common knee injury.
- Pseudogout Pseudogout — Comprehensive overview covers symptoms, treatment, prevention of this disease that mimics gout.
- Chondromalacia patella Chondromalacia patella — Comprehensive overview covers symptoms, treatment of this knee condition common among runners.
- Posterior cruciate ligament injury Posterior cruciate ligament (PCL) injury — Comprehensive overview covers knee symptoms, causes, treatment and prevention.
- Torn meniscus Torn meniscus — Comprehensive overview covers causes, symptoms and treatment of this common knee injury.
- Knee bursitis Knee bursitis — Comprehensive overview covers symptoms, causes, treatment, prevention and self-care.
Complications
- Osteoarthritis Osteoarthritis — Comprehensive overview covers symptoms, causes and treatment of osteoarthritis, including knee osteoarthritis.
Treatments and drugs
- Prednisone and other corticosteroids Prednisone and other corticosteroid pills, creams and injections can cause side effects.
- Knee replacement Knee replacement — Comprehensive overview covers knee replacement surgery and recovery.
- Arthroscopy Arthroscopy — Overview covers definition, risks, results of this joint procedure.
- ACL reconstruction ACL reconstruction — Comprehensive overview covers definition, preparation, results of this knee ligament-repairing procedure.
Alternative medicine
- Acupuncture Acupuncture — Overview covers definition, risks, benefits of this alternative treatment.
Prevention
- Strength training: How-to video collection Strength training can tone muscles, boost stamina and much more. See how it's done.


Find Mayo Clinic on