Hello, from a few days, sometimes I feel a kind of numbness/sense of no feeling in left leg calf. It is not all the time and just happens for few instants. Happens anytime when I am sitting or standing. I do not have any other problems as such, just had back head pain last year for which doctor gave me anxiety medicine at that time but not taking any medicine now. Also I had some covid symptoms last to last month though was tested negative. Can someone suggest what the issue looks like and what should I do?