What causes nausea and the feeling of wanting to vomit after eating?

Sep 13, 2022 Source: Cainiu Health

Dr. Zhao Haiming

Introduction

Vomiting after meals may be caused by digestive system disorders or early pregnancy reactions during pregnancy. In the case of early pregnancy, hormonal changes can lead to symptoms such as nausea, vomiting, dizziness, and sleepiness. It is recommended to stay relaxed and avoid anxiety, eat small frequent meals, and undergo regular prenatal checkups. If pregnancy is ruled out, the condition is likely related to a digestive system disorder.

Nausea and vomiting, as common symptoms, reflect the presence of underlying health issues. However, most people usually do not pay special attention to nausea and vomiting unless they severely affect eating or daily life, although there are many possible causes for these symptoms. So, what causes nausea and vomiting after eating?

What Causes Nausea and Vomiting After Eating?

Vomiting after meals may be related to digestive system disorders or early pregnancy reactions during pregnancy. In early pregnancy, hormonal changes can lead to symptoms such as nausea, vomiting, dizziness, and fatigue. It is recommended to stay calm and avoid anxiety, eat small frequent meals, and attend regular prenatal check-ups. If pregnancy is ruled out, digestive system diseases should be considered. It is advisable to undergo relevant examinations such as abdominal ultrasound (liver, gallbladder, pancreas, spleen, kidneys) and gastroscopy to check for conditions like gastric ulcers or duodenal ulcers. After diagnosis, patients should follow medical advice and consume light, easily digestible foods during treatment.

Nausea is a subjective sensation often preceding vomiting—the act of expelling stomach contents through the mouth. This feeling typically arises in the throat and upper abdomen. Conditions such as acute or chronic gastritis and gastric ulcers can cause vomiting, primarily because stomach contents are forced back through the esophagus and expelled orally. When irritants enter the stomach, the body uses vomiting as a protective mechanism to remove them. There are numerous causes of vomiting, but gastrointestinal disorders are generally the most common triggers of nausea.

Patients are advised to maintain healthy eating habits, avoid overeating, and refrain from consuming spicy or irritating foods. We hope this article has been helpful. Wishing you good health and a happy life.

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What should I do if I feel nauseous and want to vomit when I wake up in the morning?

Feeling nauseous and wanting to vomit upon waking in the morning may be due to pregnancy in women. It could also result from chronic gastritis caused by Helicobacter pylori infection, long-term dietary irritation, or taking medications that easily damage the gastric mucosa. Additionally, gastric ulcers induced by prolonged dietary irritation, irregular eating habits, excessive mental stress, or poor sleep quality may also lead to nausea and vomiting in the morning.

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What causes nausea and vomiting at the mere thought of eating?

Nausea and vomiting triggered by merely thinking about eating can be caused by pregnancy-related reactions, reflux esophagitis, gastritis, etc. In early pregnancy, increased gonadotropin levels and heightened brain excitability lead to pregnancy symptoms. Elevated intra-abdominal pressure causes relaxation of the esophageal sphincter, resulting in reflux esophagitis and triggering nausea or vomiting at the thought of food. Persistent gastric inflammation in gastritis can also cause nausea and vomiting when thinking about eating.

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What should I do if I wake up in the morning feeling nauseous and like vomiting?

If you wake up in the morning feeling nauseous and like vomiting due to indigestion, you may take prokinetic medications under a doctor's guidance. If it is chronic gastritis, you may use drugs that inhibit gastric acid secretion along with those that protect the gastric mucosa, as recommended by your doctor. For peptic ulcers, follow medical advice and use H2 receptor blockers.

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Why do I feel nauseous and want to vomit whenever I eat pork liver?

Feeling nauseous or like vomiting after eating pork liver may be due to the pork liver not being properly cleaned, resulting in a fishy or unpleasant odor that triggers nausea. Consuming a large amount of pork liver at once can also burden the gastrointestinal tract, leading to indigestion and causing nausea or vomiting. Additionally, individuals with peptic ulcers or gastritis may experience such symptoms, as inflammation irritates the gastrointestinal mucosa and causes stomach discomfort.