How can I help keep pain and swelling down from my knee dislocation injury. With an fracture and MCL fiber tears?

True knee disloc ? A true dislocation involve more than a fx and mcl with some fibers torn. This would also have involved the acl &pcl was it a patellar dislocation ? Some more details r needed. This injury u described is a very serious 1 & u would have had a lot more. Also the fx is not described at all, where, how big, describe the location also.
Ice and NSAIDs. Icing the injury is temporarily helpful and non steroidal anti-inflammatory medications are helpful long term. Ultimately, you may need surgery.

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Knee injury. X-ray no fracture or dislocation-mrihoriz tear of the medi menisc, partial tearof mcl-grII sprain. Why still can't walk and hurt after 2 month?

Treatment . Ur mcl i would have braced after an exam under anesthesia and a scope 2correct the intraarticular mechanical problem. @ 8 wks u need ortho eval & rx. Read more...
Pain from meniscus. It could be that the meniscal tear never healed and it is continuing to cause you pain and irritation. A large percentage of meniscal tears end up needing to be addressed surgically. Read more...
Consult orthopaedics. The injury to your knee was significant. While the injury to the mcl (medial collateral ligament) will heal on its own, the injury to medial meniscus will probably not. The meniscus tear is most likely the source of your ongoing pain and will most likely require an arthroscopic surgery. Seek an orthopaedic consult to discuss your best treatment. Read more...