I had spinal fusion l4-5, s-1.6 months ago my lower legs hurt. what can i do?

May still be fusing: You may still be fusing-can take up to a year. If a smoker, you are negatively affecting outcome. You may need to be working on core strength & cardiovascular endurance as well as flexibility especially if you have not started physical therapy or did not continue with a home program. If the symptoms remain in spite of this check with your surgeon to assess your healing status & complaints.