Mostly likely cause of your pain is through Lower Spine.. Pain is due to Irritation of Nerve. First step is to give rest to that part.. Rest can be given by avoiding : 1) forward Bending 2) sitting for long time , 3) Lifting weights..
Next Steps
If not reduced by rest will need few medicines , Can help you on online consultation
Health Tips
Avoid Any kind of massage, Long distance travel, riding Bike.