 [ Symptoms ] sharp extreme pain in ball of foot especially when i touch the opposite calf did a v hard exercise class 5 days ago really painful stabbing sharp pain in specific point of ball of left foot comes when anything even very lightly touches right calf in certain places went to a v intense exercise class 5 days ago which gave me muscle pain but none of the sharp pain until 3 days after  i do not know how the right calf and left ball of the foot are linked but there is definitely an extremely painful response in left foot when touching the right calf would be great if someone could help me find out what it is [ Disease ] hi this is because the insect poison is still remaining at the site where she was bitten if all the measures have failed then i would suggest local surgical debridement at the site followed by antibiotics and anti allergic medicines thanks