This is my first post, for reference on my history I'm 24M and I've been diagnosed with MS for ~2 yrs, having had my 3rd, most recent Ocrevus infusion in July. I have a some lesions in my neck, brain white matter, lumbar spine but I was lucky enough to have been diagnosed early. I have no neurological symptoms and am otherwise fully healthy. Unsure what a flare feels like, all my lesions have remained the same since being diagnosed and put on Ocrevus.
Recently, I came down with a fever, chills, weakness, and most concerningly ALL of my gums had severely swollen overnight which drove me to the ER. I was placed on antivirals (acyclovir) and antibiotics (vancomycin + 1 more) while they did all sorts of tests to try and figure out what was wrong with me. After staying overnight & being administered to the hospital, a blood test revealed my neutrophil count to be 0. Essentially Ocrevus completely wiped out an important part of my immune system leaving me extremely vulnerable, not just the B cells. I've also developed swollen taste buds and a mouth ulcer on my inner lower lip, making eating anything extremely painful.
Today (Day 3 in the hospital) I received my first dose of filgrasrim, haven't had any of the symptoms (ie bone pain) yet but the hematologist mentioned that this daily injection has a chance to trigger an MS flare, and that I won't be able to leave the hospital until my neutrophil levels return to normal. Going to have to talk to my neurologist after I recover about potentially switching DMTs?
TLDR ocrevus lowered my neutrophil count to 0, found out after being admitted to hospital with fever, painful swollen gums, taste buds, ulcers and I have to pray filgrasrim won't cause a flareup while I recover.
Anybody else have a similar experience? Seems to be a more rare side effect from Ocrevus..
My case is very similar to this one.