Osteoarthritis (osteoprocess)

hello my mother is 47 years old she has Rheumatoid Arthritis disease, she is bearing this disease since when she was only 25 years old since then this disease is increasing every day and now it's reached in hand elbow and fingers, after treatment of 20 years one doctor suggest a Dose (injection) to stop the process of Osteoarthritis (osteoprocess), Doctor said this dose will stop the osteoprocess for 1 year and you have to take this dose every year to stop the process of Osteoarthritis (Osteoprocess), My Question is that , Is it safe to take this Dose Or Not ? Thank you

Osteoarthritis (osteoprocess)