This is not due to posture or lack of exercises.
This is polyarthritis, can be rheumatoid or ankylosing spondylitis. This can exacerbate in rainy season, cold weather or sleeping/sitting under the Fan/AC.
Need thorough clinical evaluation and proper lab investigations to decide nature and severity of disease.
Next Steps
Frequent Warm heating, Proper Joint care, Correct and judicious medications, ROM Exercises, if required Injections in the Joints, will be of Immense help.
If treated properly, can give good, sustained relief.
We have special program of 'Save your Joints', designed to avoid/retard progression of disease.
Health Tips
No one can cure this disease but we can very well control it, just like
Diabetes.
As far as possible, avoid steroids.
If not treated properly, cam progress slowly to damage to the Joints and permanent disability