Suggest Treatment For Slip Disc Problem

Hi Dr., my brother-in-law has a slip disc problem. It was fiday, a holiday and in the evening he came up saying he has a back pain. We asked him if he wants to go to the doc. He said no I will be alright. We asked him to lie down stright. After some time when he tried to get up, he was unable to get up. He had severe pain. We took him to doctor and he was given injection and some medicines. He is now able to get up and walk. It was last friday. But he has pain on the right side. We got an x-ray taken and the doc said he has a slip disc. What do we do for this so that he gets well completely. He is 25 yrs of age.