Go for ayurveda's panchkarma therapy - we have many option for you - kati basti (specialised panchakar, a procedure for backpains), localised massgae with herbal oils, localised medicated steam, pottali massage. Continue these procedures for atleast 15 days. Regular
oiling of the joint will improve the lubrication also.
These procedures will relax your back muscles and give strength to your nerves and muscles of back. Also start some
yogic exercises - tadasana, dhanurasan, halasana along with these therapies. This will greatly help. Please avoid pushing / pulling heavy objects, long sittings, long two-wheeler drives. Although some herbal medicines might also help you but after proper history taking. Please update with your valuable feedback after 15 days.\