Tim – I am in a similar situation. My red blood counts were on or just below low edge of normal before I was diagnosed with gMG. I went into an acute myasthenia crisis shortly after my diagnosis after which I went on prednisone, Cellcept and IVIG infusions. My counts quickly dropped well below normal. My neurologist then discontinued the Cellcept and the counts recovered a little. It looked like Cellcept played a role in my counts.
My PCP recommended that I also increase my intake of red meat and green leafy veggies (kale, collard greens, brussels sprouts, spinach, broccoli) to get iron into me naturally. After about six weeks that has also improved my red counts noticeably. I am still not all the way back to “low normal” but the more iron rich diet has also helped and my PCP says I am no longer clinically anemic. My neurologist now has me on Imuran instead of Cellcept and that has not had the same adverse effect on my red counts.
I was not a huge fan of all the iron-rich veggies by themselves but my wife has come up with a recipe for “iron soup” which I now have every day at lunch time. That has been enough to close the gap in my case.
I hope this helps and I wish you luck. It’s bad enough getting tired from MG without being anemic on top of it as well.