I agree that your n etc the otehr day was either something you ate or a virus especially since your sister had it too. Also if it were the codiene you should have been sick feeling by now. I've taken it for tooth pain years ago and was fine (I know everyones different) but also like tessa said if it were that, especailly since youv'ehad four through out the day I think it would have done something by now. Hope this helps!
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