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I was on kesimpta for about 18 months (ending in november 2024 when I switched to Brabio as I was pregnant although sadly lost the baby). my neuro is wanting me to go back on kesimpta - I'm hesitant because of the side effects that I experienced but my neuro tells me that was absolutely not related to kesimpta and is not a known side effect. So I wanted to check if anyone else has experienced anything similar. for the last 8 months that I was on kesimpta the three days after I took it I would get LOADS of mouth ulcers. I have never suffered with mouth ulcers and we are talking 20-30 at a time and a lot of them on my tongue (which I had never experienced before). I was unable to eat solid foods during the time that I had them as it was too painful. since coming off K I haven't had a single ulcer. but neuro just tells me it is not related and is pushing me to go back on K. Am I going crazy? Or has anyone else experienced this?