Need more details history for giving a medical Advice; However in non traumatic cases commonly back pain is associated with Postural cause,Muscle weakness/spasm, Muscle/ligament strain, degenerative disk disease, Osteoarthritis, Osteoporosis (may be due to
thyroid disease) etc . If it parsists for more than a week you should consult with Doctor.
Some initial investigations may be required like; an X Ray of your Spine & Chest, and an ECG maybe required as per your history.
Next Steps
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