A high RA factor is indicative of rheumatoid arthritis i.e Aam Vata in Ayurveda.It arises due to accumulation of Ama ( toxins) and aggravated Vata dosha.Ama clog the channels and lead to inflammation of joints. Aggravated Vata causes pain stiffness and swelling, which you are experiencing.
It should be treated in a proper ayurvedic way so that you can get rid of the present condition.
Next Steps
Consult with Ayurvedic doctor as only ayurveda has a cure for that
Health Tips
Avoid
Curd Rice Banana Rajma Chole
Take warm water
Eat only when you feel hungry, not acc to clock.