Hi LongIslsndLady! Thanks for your question.
I am sharing a thread that you might find helpful. Another community member had a similar question and the reply in that thread has some great information. I hope this helps! https://rheumatoidarthritis.net/q-and-a/chemo/
Please let us know if you have other questions!
-Reggie (RheumatoidArthritis.net Team Member)