In some cases, numbness in the calves may be one of the signs of certain diseases and you should seek immediate medical attention if you have numbness in the calves that appears as follows.
numbness appears suddenly and gets progressively worse.
numbness occurring in both limbs.
numbness that is recurrent.
numbness that seems to be associated with certain positions, movements or prolonged physical work, especially sports involving the lower limbs
Affects only a part of the limb, such as a toe or finger.