Thanks for writing to us.
It seems that has been some internal bleeding
due to the injury
causing the hematoma
formation. Adequate rest, icing, pain killers and avoiding any weight bearing on the leg will help in an earlier improvement.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal