MY RIGHT FOOT HAS BECOME VERY WEEK AND SOMETIMES NUMB COULD THIS BE DROP FOOT?

I HAD RNY SURGERY ALMOST A YEAR AGO AND HAVE LOST 117 POUNDS I AM NOW 138 POUNDS. IM CONCERNED ABOUT MY FOOT. SOMETIMES I TRIP OVER IT. ITS ONLY BEEN A WEEK SINCE I FIRST NOTICED THE WEAKNESS AND NUMBNESS. SHOULD I BE CONCERNED?

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