Nausea and vomiting after taking omeprazole may be an adverse reaction after taking the drug, you need to inform the doctor in time, under the guidance of the doctor to make adjustments, such as switching to other acid-suppressing drugs such as cimetidine. Omeprazole is able to inhibit gastric acid secretion of a class of proton pump inhibitors, mainly for gastroduodenal ulcer, gastric ulcer, reflux esophagitis and other diseases. Adverse reactions such as nausea and vomiting, bloating, diarrhea, constipation and epigastric pain may occur when taking omeprazole, but they are all temporary. When nausea and vomiting occur after taking omeprazole, you can eat light and easy-to-digest food to improve the situation. At the same time, you need to inform the doctor in time, under the guidance of the doctor for observation or adjustment, such as switching to other acid-suppressing drugs such as cimetidine, etc., do not blindly use the drug. In addition, the use of this product should be prohibited for those who are allergic to this product, infants and young children, people with renal insufficiency, pregnant women and lactating women. Omeprazole needs to be standardized under the guidance of a doctor, if you take nausea and want to vomit, usually just a transient adverse reaction. However, you need to inform your doctor in time, follow the doctor’s instructions to regulate, do not self-medication, so as not to cause adverse consequences.