
What Causes A Knot And Black Color Swelling On Ankles After An Injury?

Big knot might be due to haematoma formation.
Detailed Answer:
Hello,
Thanks for your query.
From description it seems to be soft tissue injury . Big knot might be due to haematoma formation(collection of blood).
You need an x-ray to rule out any bony injury.
I suggest you to consult an orthopaedician nearby for a detailed examination. You may get the X-ray of the area affected under his/her guidance.Beside icing and elevating it, you can take anti-inflammatory drug like motrin to reduce pain and inflammation. Avoid putting weight and rest well.
I do hope that you have found something helpful and I will be glad to answer any further query.
Take care

Answered by

Dr. Saurabh Gupta
Orthopaedic Surgeon, Joint Replacement
Practicing since :2004
Answered : 5930 Questions
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