If these symptoms have only come recently, then you can do some simple things to make it better. Make sure you sit in a proper posture, without putting too much stress on your back. Take regular breaks every 20 minutes to help muscles stretch and relax. While standing up or riding a vehicle, then make sure you maintain a good posture keeping your back straight. Do regular stretching. Take painkillers as you need them. Do regular exercise which includes simple things like walking, yoga and core strengthening. Do these regularly. For having long term benefits, it takes a few months of work. If done properly now, you can stop problems cropping up many years later.