Its may be due to slip disc, so please don't move from your bed, absolutely bed rest for 20 days, it gone by self, otherwise its paining for more, after 29 days do some spinal extension exercises, hot water formantation at back.
Next Steps
Please get an x-ray done of lumber spine first
Health Tips
Avoid lifting of heavy objects..
Thank you for massaging us.
I wish you get well soon. Dear