Possible causes of Knee pain

19 conditions can cause this symptom. Most common are listed first.

• Arthritis (joint swelling) Common
• Bursitis (joint bursa inflammation) Common Pediatric
• Cellulitis (skin infection) Common Pediatric
• Contusion (bruise) Common Pediatric
• Ligament tear Common
• Meniscus injury (inner knee injury) Common
• Muscle strain (pulled muscle) Common Pediatric
• Osteoarthritis Common
• Patellar dislocation (knee cap dislocation) Common Pediatric
• Osgood Schlatter disease Pediatric
• Aseptic joint effusion (fluid in joint) Pediatric
• Dislocation (joint out of place) Pediatric
• Fracture (broken bone)
• Gout (uric acid crystals in the joint causing inflammation)
• Osteochondritis dissecans
• Patellar (knee cap) tendon rupture
• Pseudogout (calcium deposit arthritis)
• Sciatica (lower back nerve irritation)
• Septic knee joint (infected knee joint) Urgent Pediatric