Hello, you have to take absolute bed rest with a pillow below both knees for at least 10 days. If you r comfortable in side lying ,you can go for that with pillow between both knees.Avoid sitting .Apply cool pack or warm water at the site of pain.
Next Steps
If u r able to go to hospital ,consult an Orthopedic Surgeon. MRI ,x-ray may be advisable for lumbar spine. If u can't go to hospital ,u can use the medication that was advised previously for disc problem for a week. If pain reduced to some extent, u can go to hospital.
Health Tips
Use only western toilet.