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Symptom Checker

Step 4: Read and complete the decision guide to learn more about your symptoms.

Knee Pain

Based on your answers (you are older than 45, joints other than your knee are bothering you, your painful knee is not swollen and there is no locking and/or giving way of the knee), there are a number of possible causes of knee pain. More than one may be present at the same time, including:

  • tendonitis

  • bursitis

  • osteoarthritis

  • rheumatoid arthritis or a related condition

  • fibromyalgia.

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