... it. But a week and a half ago I switched to name brand (Teva brand was no longer available) and also went up to 450 mg. Since then, I have been very nauseated (gradually decreasing) but I have vomited 5 days of the last week. I know vomiting is one of the side effects, but I was wondering if/when it would stop, and if it is a consequence of the brand switch or the increased dosage?