The pancreas releases proteins and hormones necessary for digestion. If this organ becomes inflamed or injured, known as pancreatitis , nausea often occurs along with other intestinal symptoms and pain. Irritable bowel syndrome IBS is a chronic condition that can cause bloating and increased gas.
In some people, this can also lead to nausea after eating. Nausea after eating could also be a sign of arteries in the intestines narrowing. This narrowing of blood vessels restricts blood flow. Nausea after eating can be accompanied by intense stomach pains and may indicate a condition known as chronic mesenteric ischemia. This condition can suddenly worsen and become life-threatening.
Migraines can also cause nausea after eating, which can be accompanied by intense stomach pain, vomiting, and dizziness.
In some cases, nausea after eating can be a warning sign of a heart attack. Anorexia nervosa and bulimia nervosa are the most common eating disorders characterized by abnormal eating habits.
Anorexia nervosa can cause nausea due to excess stomach acid or starvation. Bulimia nervosa can cause nausea after eating from a compulsion to vomit any food consumed.
Anxiety , depression , or intense stress can also result in a loss of appetite and nausea after eating. Some people are highly sensitive to particular movements or motion, which can make them feel nauseated. Eating food before or after experiencing motion can intensify nausea in individuals with motion sickness. Nausea is a common side effect of several medications including antibiotics , pain relief drugs, or chemotherapy drugs.
Nausea should subside once the treatment is completed or stopped. Typically, nausea after eating is not related to a serious condition. If it continues for more than 5 days or if some of the symptoms mentioned above occur together, people should contact a doctor to rule out an underlying condition. The causes of nausea are wide ranging. But recording exact times of nausea and food consumed can help a doctor make a diagnosis. Treatment and outlook will depend on the diagnosis and can vary greatly.
For example, people with GERD or heartburn may need treatment with acid blocking medication or antibiotics for the stomach bacteria, H. People with a history of allergic or intolerant reactions should avoid certain foods. In the case of a stomach virus, people should stay well hydrated and eat bland foods once nausea decreases.
More severe conditions, such as gallbladder disease, may require surgery. Projectile vomiting is when vomit is forcefully expelled. In infants this can be normal, but in adults it may have some more serious causes. What are the main causes of nausea and vomiting, and what home remedies are recommended? What home remedies may help children who are vomiting? Feeling nauseated before a period is common, and is often linked to PMS. Find out more about causes, treatments, and when to see a doctor.
Other reasons for nausea can be related to temporary situations, such as a stomach bug, food poisoning, motion sickness or overeating. After a good history and physical examination, we will usually start with an evaluation for common gastrointestinal issues.
Once these are excluded, we consider other possibilities. Find the answer to questions that pique your curiosity in our series, The Short Answer. Gastroenterologist Maged Rizk, MD, fields this question about possible causes for nausea after eating. Learn more about vaccine availability. If you do experience nausea after eating, here are seven of the most common causes and how to properly treat it.
Nausea during pregnancy doesn't just happen in the morning, it can also occur after lunch, dinner, and snacks. That's because pregnant people produce the hormone human chorionic gonadotropin HCG , which comes with nausea as a side effect.
It's well known that food poisoning can cause nausea. These foods are contaminated with either a virus or bacteria which disrupts the GI tract triggering nausea and, oftentimes, vomiting, says Houghton.
Usually, bacteria that cause food poisoning die when exposed to temperatures higher than degrees Fahrenheit. That's why pre-packaged and raw foods, like salad, fruits, and undercooked meat are common culprits of food poisoning since they're uncooked, says Sonpal. If you are also experiencing diarrhea, fever, vomiting, and stomach cramps, your nausea is most likely due to food poisoning.
When you eat something you are allergic or have an intolerance to, your body's immune system responds with chemicals, like immunoglobulin E IgE and histamine, that can cause symptoms such as nausea, says Sonpal. The most common food allergies are:. If you think your nausea is due to an allergy, get tested by an allergist who can help you determine which foods may be to blame. Gastroesophageal reflux disease GERD , aka acid reflux, occurs when stomach acid flows up into the esophagus, inflaming it, which can trigger nausea, says David D.
If you are also experiencing heartburn, difficulty swallowing, chronic coughing , and disrupted sleep, your nausea may be due to GERD. Treatment for GERD includes:. Irritable bowel syndrome IBS affects the large intestine and causes symptoms such as bloating, cramping, and nausea.
However, most symptoms, such as vomiting, tend to worsen after consuming food that is difficult to digest," says Sonpal. Treatment for IBS includes:.
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