Sudden Abdominal Pain After Evening Meals - Gastroenterology and Hepatology

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Abdominal pain


Hello, doctor.
I would like to ask why sometimes I experience abdominal pain after having dinner at night.
It comes on suddenly (similar to the pain associated with diarrhea) and then goes away after a while.
I usually eat a lot of vegetables and sweet potatoes, with meat in moderation.
Thank you for your explanation!

Nìmíng, 20~29 year old female. Ask Date: 2023/12/25

Dr. Chen Shidian reply Gastroenterology and Hepatology


It is likely that the stronger peristaltic reflex is triggered by eating.
You may slow down your eating pace, and if necessary, adjust medication before meals.

Reply Date: 2023/12/25

More Info


Sudden abdominal pain after meals, particularly in the evening, can be a concerning symptom and may arise from various underlying causes. Understanding these potential causes is essential for determining whether the pain is serious and what steps to take next.

One common reason for experiencing abdominal pain after eating is related to digestive issues. The digestive system can react to certain foods, especially if they are rich in fat or difficult to digest. For instance, if you consume a meal that is high in grease or contains ingredients that your body struggles to process, it can lead to discomfort. This discomfort may manifest as cramping or sharp pain, which can feel similar to the sensation of needing to have a bowel movement.

Another possibility is that the pain could be related to gastrointestinal conditions such as gastritis, peptic ulcers, or even gallbladder issues. Gastritis, which is the inflammation of the stomach lining, can cause pain after eating, particularly if the meal is spicy or acidic. Peptic ulcers can also lead to pain, especially if the stomach is empty or after consuming certain foods. Gallbladder issues, such as gallstones, can cause pain after meals, particularly those high in fat, as the gallbladder releases bile to aid in digestion.

In your case, you mentioned that you typically consume a diet rich in vegetables and sweet potatoes, which are generally considered healthy. However, if there are any sudden changes in your diet or if you consume something that your body is not accustomed to, it could trigger these symptoms. Additionally, stress and anxiety can exacerbate gastrointestinal symptoms, leading to discomfort after meals.

It is also worth considering the possibility of food intolerances or allergies. For example, lactose intolerance can cause abdominal pain, bloating, and diarrhea after consuming dairy products. Similarly, gluten intolerance or celiac disease can lead to gastrointestinal distress after eating foods containing gluten.

If the pain is brief and resolves quickly, it may not be a cause for immediate concern. However, if you experience recurrent episodes of pain, especially if they are severe, persistent, or accompanied by other symptoms such as vomiting, diarrhea, or fever, it is crucial to seek medical attention. A healthcare professional can perform a thorough evaluation, which may include blood tests, imaging studies like an ultrasound, or endoscopy, to determine the underlying cause of your symptoms.

In the meantime, consider keeping a food diary to track what you eat and any symptoms that follow. This can help identify any potential triggers for your abdominal pain. Additionally, maintaining a balanced diet, staying hydrated, and managing stress can contribute to better digestive health.

In summary, while occasional abdominal pain after meals can be common and may not always indicate a serious issue, it is essential to monitor your symptoms closely. If the pain persists or worsens, consulting with a healthcare provider is the best course of action to ensure proper diagnosis and treatment.

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