Itonol 50mg Tablet is a prescription medication used to treat nausea, vomiting, and fullness after meals. It is taken before meals, with the dose determined by the doctor. Common side effects include diarrhea and abdominal pain, which usually resolve over time. It may cause dizziness and sleepiness, so avoid driving or mental focus until you know how it affects you. It is important to inform your doctor about liver or kidney problems, and pregnant or breastfeeding women.