I have been on Rituxan for almost four years now with treatments ever six months. My last four have been maintenance doses of one infusion. This last time my rhumy had me hold off until i got the COVID vaccine, which meant my was three months behind. This time I started feeling nauseous two weeks after my infusion and has been going on for four days now. This has never happened to me before so I am still debating if it is the infusion or not. Has anyone else had nauseous side effects two weeks after their infusion?