Once or twice a week I am very sick to my stomach in the morning and I vomit. It is unpredictable...can be before I eat or after, before meds or after. It comes on pretty quickly and after I vomit a couple of times, it takes a couple of hours to feel normal again. As a rule, Cinimet makes me slighlty nauseous - but I don't understand this. Just when I think it won't happen again, I get sick and yesterday I wasn't home when it happened?