A member asked:

I have a sharp pain behind my left knee whenever i walk up or down stairs , also if i have to bend down. could this be a sign of a blood clot?

A doctor has provided 1 answer
Dr. Benjamin Lerner answered

Specializes in Vascular Surgery

Could be...: ...But without more info, it is hard to say. Any persistent knee pain should be evaulated.

Answered 10/4/2016

5.3k views

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