Usually a meniscus tear also involves damage to other areas of the knee. Definitely you need to see a doctor to get this repaired. Weakness of the knee. The meniscus is a pad of cartilage that acts as a cushion between the upper and lower leg bones. There are 3 types of tears, anterior horn tears, posterior horn tears, and bucket handle tears.
Bucket handle tears are hard to detect.
With a menicus tear you might need surgery. Sometimes you can use PT to strengthen the muscles around the knee to lesson the pain. Repairs to the meniscus can be made and take a long time to heal, but candidates of this type of surgery must be under 35 YOA and have a good blood supply in the region of the tear for a repair to take place. Removal of the meniscus is generally used. Some new surgeries with cadaver cartilage is being used now, so ask your doctor about that.