Talk to General Physician on Nuero/ Lower Back Pain

Asking for my husband age 40. 3 months back he felt severe lower back pain and he remain unconscious for half an hour. After MRI doctor told us that l4 l5 dics bulging and Disk deciccation. After a month doctor suggested another MRI. That MRI shows nerve root compression as well with minimal distance. He took medicines for last 3 months regularly. But still he feel pain.at moment the main problem about urination is he feels pressure at bladder but after pee he feel like bladder is still half full. Medicines: movax 3 times a day and dultix 30 mg 2 times aday . Any suggestions please