Thanks for query on HCM.
You have to go for cbc,b12,fbs,ppbs, complete arthitic profile investigations to rule out any condition.
What is your age...?It seems to be beginning of gout.
Otherwise it also occurs in muscle sprain
,b12 and other vitamin deficiency
,unequal weight bearing,improper footwear.
start treatment according to investigations under guidance of your physician.
to subside pain.
Start oral as well as intra muscular b12,folic acid
also take calcium and minerals supplements.
Try to change the footwear,avoid high heeled,tight footwear.