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If you feel nauseous every time you eat, it can be very unpleasant, especially if you also have to vomit. There are many possible causes that could explain your nausea. It often concerns digestive difficulties, but infections, allergies, medications or food poisoning can also be the problem.
Also read: Persistent nausea: causes and what to do?
11 possible causes
Infection. Gastroenteritis (stomach flu) is an infection of your intestines that causes inflammation. The pathogens are viruses, bacteria or parasites. A possible consequence is that you suffer from cramps, nausea, vomiting, watery diarrhea and sometimes fever.
Food allergies. Nausea or vomiting can be symptoms of a mild to severe food allergy. A food allergy occurs when there is an immune reaction to a food. The body identifies the substance as foreign and produces natural defenses that overreact to the exposure to defend against it. This can occur immediately after eating food or hours later.
Digestive problems or disorders. Nausea after eating is sometimes caused by conditions or disorders of the digestive system, such as appendicitis, pancreatitis, intestinal obstruction, celiac disease or a stomach ulcer. Many of these conditions are accompanied by other symptoms such as abdominal pain.
Medication use. Nausea can be a side effect of medication. This often concerns medications aimed at weight loss or lowering blood sugar levels. Chemotherapy and pain medication can also increase the risk of nausea.
Hormones. Hormone imbalances can affect every aspect of the body. One symptom is nausea. For example, many people suffer from migraines before or during menstruation due to a rapid drop in estrogen. Migraines may be accompanied by nausea and vomiting. Nausea is also a symptom of endometriosis. Endometriosis is a condition in which tissue similar to the uterine lining grows outside the uterus and responds to estrogen.
Pregnancy. During the first trimester of pregnancy, as the body adjusts to changes in hormones, women are more likely to experience nausea, sometimes including vomiting.
Eating too much. Eating too much at once can put pressure on your stomach and cause indigestion. Indigestion manifests as bloating, flatulence, nausea or even vomiting.
Food poisoning. In addition to diarrhea and vomiting, nausea is a symptom of food poisoning. Symptoms usually start within 30 minutes to a few hours after you eat contaminated food.
Reflux. This occurs when the muscular valve between your esophagus and stomach does not work properly, allowing stomach acid to leak into your esophagus. The characteristic symptom is heartburn, but you may also feel nauseous.
Anxiety and stress. Anxiety and stress can affect your physical health, including your digestive system. The digestive tract and the brain are connected by nerves. When you’re stressed, hormones and chemicals are released into the body that over time can end up in the digestive tract where they have a pro-inflammatory effect on your gut microbiome.
Irritable bowel syndrome (IBS). IBS is a chronic disorder of the digestive tract that is accompanied by intestinal disturbances, abdominal pain and nausea.
Also read: SOLK: vague, inexplicable, persistent, physical complaints
Sources:
Last updated: December 2023
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2023-12-18 23:02:10
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