Thank you for your questions. I agreed with both Dr. Sean and Dr. Dinesh that your pain is likely "discogenic", meaning that it is coming from the disc, which is the cushion in between the bones. There are also a spectrum of a "slipped disc", only when the slipped disc is very severe and compressing onto the nerve then you will develop tingling sensation or sciatica.
Of course we don't want to wait until then before we do a thorough checkup on you, I'd recommend a MRI scan for you to investigate the actual cause of the pain and the severity of the condition.
From the description of your symptoms, it is probably not too bad yet and unlikely that you will require a surgery. Once we clinch the diagnosis, we would be able to start your rehabilitation program step by step, typically with medication and physiotherapy first.
I hope we alleviate some of your worries.
Cheers,
Dr. Henry Chan