Both drugs should be taken at the same time, by mouth, with a cup (8 ounces) of water. You should take the drugs at least 1 hour before or 2 hours after eating. You should take the study drugs at around the same time each day. Your eating habits around the time you take the drugs should stay the same while you are on study. lf you vomit, you should not take another tablet until your next scheduled dose.