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I have been taking Tecfidera for two weeks now. I had virtually no side effects until this past Monday (so 11 days into taking the medication- the first 7 days were the starter dose of 120mg, and the next four were the full 240mg). I say virtually, since a couple of times I had very mild stomach pai...

I have once or twice- but that was when the nausea and stomach pain were intense and I was dizzy and so fatigued that I was crawling into bed for a nap at the time. I've been told since by an RN that sometimes nausea will bring on chills and dizziness.