Buttock Pain Tens Machine Prolapsed Disc And Trapped Sciatic Nerve! Help!?

Prolapsed Disc and trapped Sciatic Nerve! Help!? - buttock pain tens machine

My father has put a suspicion of disc herniation and sciatic nerve. We expect that X-ray results. Meanwhile, doctors gave him some codeine and paracetamol.
However, it is still expierencing absolute pain. It's like when your foot is frozen, even if it is hot. It feels like at least one thing in his leg, he rises. He also suffers from constant cramps in the thighs and buttocks.
He used a few dozen (think thats how you spell that with the machine) constantly. Nevertheless, it can not move or bear.

What can we do? "Something!