1. Patients with nausea and/or emesis; patients who also have intestinal obstruction, vestibular dysfunction (e.g., epilepsy), Meniere's syndrome, cerebral metastasis, electrolyte imbalance (hypercalcemia, hyperglycemia, hyponatremia), uremia, etc., and patients for whom it is judged that there is a high probability that their nausea or emesis arises from the aforementioned causes. Registration is possible, however, for patients with motion sickness (vehicle sickness) or patients with temporary nausea/emesis arising from routine activities.