8-30 l3-5 laminectomy much worse than pre op pain n huge spsams all dwn bk lwr bk rt side pckt of fluid pain dwn side leg cnt stand mre thn 5-10min?

Re-image: With this constellation of symptoms, especially running down a leg, i recommend an MRI with and without contrast. This might indicate a recurrence of nerve root compression.

Could be one of: Several issues: scar tissue forming which usually occurs at this time period that becomes chronic in 1-2% -retained or recurrent herniation/fragment if persisted from surgery or it could just be nerve root inflammation. Maybe this was not the appropriate surgery for you or you are a smoker leading to a higher failure rate. You need to get a workup including x-rays, MRI with contrast possible ct.