my bitch has a swollen toe knuckle & callous on the centre toe front leg , there is no pain when presure is apllied ,she has been rested & lead walked for over a month now ,she has been allowed off 3 times & on each ocassion she has pulled up as if it was a torn muscle but not straight away ,nothing in the toe they have been cleaned & checked it was done on hardish sewn ground & was put on metacam after cos she was sore on her loins ,toes were weepy and bleeding cos she took it onto tarmac ,they always get up were you dont wont em !! any ideas please