I fe el severe pain in the left leg,mainly in the calf muscle,when standing or walking since roughly two months. As soon as I sit or lie,pain just vanishes. Dr.( nerve specialist)has given 3 medicines namely---- 1) Rabekind 20 (to be contd) 2)Ace proxyvon 2 times for 5 days & 3) Gabator-NT (400) half tablet for once, to be contd. He suggested for M.R.I. of Lumbosal(?)region. pl. tell me,shall I follow it? I am 71 years old.