Thank you for writing to us.
I have gone through your question and I feel that you have a soft tissue injury. In your case, I think that you have injured the knee which is causing the pain and the swelling.
Here are is a therapy you can try to help you:
Rest the knee. Avoid walking too much
Ice the are for 15 minutes every hour 5 times a day
Compress the knee by using a crepe bandage or a knee sleeve
Elevate the knee to allow blood to get back to the heart
Also, take tablet Paracetamol to help reduce the swelling.
This should help in 5 days. All the best and wish you a speedy recovery.
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