Take few sessions with Good physiotherapist. Avoid medicines for the muscle spasm.

You can online consultation with me on practo app

Physiotherapy treatment will best option for you. Contact ADMIRE Physiotherapy  Laser CLINIC B-109 sector 36 Noida

Chiropractic Mobilization will help. Postural Correction- Sit Tall, Walk Tall, Stand Tall.

Muscle spasm is a body's protective mechanism to indicate there is pathology underneath. If it would have been solely muscle pull,it would have relieved with hot packs and muscle relaxants. According to me ,it's just a facet lock. Facet joint is a small joint joining two vertebras in spine and mild facet lock will not be evident on Xray. It's important you undergo thorough physical examination at a good Physiotherapy clinic trained in manual therapy for unlocking the same. You can visit my clinic in Kuber Hospital,Pitampura,for better diagnosis. Rest n regards

Please come for online consultation, recommendations will be given along with do's and don't.

3 Times hot packs for 5mins. Sleep on left side lying. Keep a thin pillow between the knees while sleeping in left side lying position.

visit nearest physiotherapy clinic and take electrotherapy for 3 days. With TENS and passive exercises, it can be reduced with in a week.

Consult Good Physiotherapist,Postural Correction, Spinal &core muscles strengthening exercises

It sounds like some rib dysfunction. You need to get it examined and treated

Soft tissue Mobilisation, core strengthening and stretching, rt release techniques and ergonomics. Pls consult online or see a physio nearby .