sudden sharp pains on the top of my foot

i have been getting sudden sharp pains on the top of my left foot - about middle of the foot closest to the big toe(the top right side of my left foot - according to my perspective). the pain comes and goes no matter if i am sitting or walking or what shoes i am wearing. it is a sharp and almost burning pain that stings and goes away. I dont see any swelling, but it hurts right near a vein when i flex because i can feel the superficial vein above my bone that connects to the big toe. however, i have also been having pains in my left calf on the same right side. I was tested last year for blood clots in my calf and they found nothing. I also have a bunion on that same foot on my big toe side and have been told i have pronation. However, I did not have this severe pain on the top of my foot until recently. Could it be related? Is it something serious that I should worry about? I have an appointment with a podiatrist in two weeks, but I am worried if it could be a blood clot or something serious that I should see a doctor sooner, or could it be something like issues with my tendons?

Hi,
Read my section on midtarsal fault and see if that sounds like the kind of pain you are experiencing. Although I cannot be certain it does not sound like you have a blood clot.
Marc Mitnick DPM