Internist Questions Knee Problems

What can cause sudden knee pain?

Yesterday when I was running in the morning, I suddenly felt a shooting pain in my knees. I also find it difficult to bend my knees when sitting for too long. What could be the cause of this sudden pain?

1 Answer

Most common cause is bruised ligament or bruised meniscus. If it is prolonged for more than 2 weeks, it could be a tear in one of them.
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