Consult an orthopedic surgeon and get Xray and mri done.

Apply Hot Fomentation twice daily. Avoid bending in front. Postural Correction- Sit Tall, Walk Tall. Extension Exercises x 15 times x twice daily - lying on tummy, take left arm up for 3 seconds, then bring it down, right arm up for 3 seconds, bring down. Bring right leg up, hold for 3 seconds, bring it down. Then right leg up and hold for 3 seconds and bring it down. Repeat twice a day- 10 times. Bhujang Asana -- Lie flat on your stomach, keeping the palms out, bend the neck backward, take a deep breath and while holding it for 6 seconds, raise the chest up. Release breath and relax your body. Repeat the exercise 15 times twice daily. Core Strengthening Exercises- Straight Leg Raised With Toes Turned Outward, repeat 10 times, twice a day.

Dear friend If you have pain on the right side of your back. It can be SI joint stiffness To rule out there are few tests so you need to visit a good physio. Till than take ice pack for 3 to 4 times a day and take rest.

There are many causes responsible for this pain.sometimes an X-ray shows the basic cause but sometimes an MRI may be required.It can be a pain because of postural or structural reason.

To know better your back pain do X RAY  n visit to your physio clinic.they will help u in proper way. At home you can apply hot pack for 10 min in every 4-5 hrs for pain relief.

Plz take good rest on flat and firm mattress.. there looks to be some issue with spine allignment plz visit for better management

It's Muscular strain on your Back. For particular Treatment for a Muscle You have to go for a Good Physio. While you Take Cold Packs.