What are the causes of a growing pain sensation in the legs from the knee down?

Needs to be seen: There are a variety of causes. Compromised arterial or venous circulation is common, easy to diagnose, and usually treatable. If this is a peripheral neuropathy, which a physician can detect easily, finding the precise cause is one of the most challenging workups in medicine but needs to be done.

Depending on what : You mean by growing pain assuming a burning, tingling sensation you want to consider a neuropathy (pain arising from the nerves in the legs as from diabetes) v claudication or pain in legs due to a vascular issue v thecal sac or nerve root compression from spinal stenosis.