How Do I Treat an Upset Stomach after Eating?

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  • Written By: Erin J. Hill
  • Edited By: Bronwyn Harris
  • Last Modified Date: 19 November 2019
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One of the best ways to treat an upset stomach after eating is to take an over the counter medication. The exact type and brand will depend on the type of stomach upset you are dealing with. Avoiding physical activity and certain foods may also help alleviate discomfort. If you experience digestive upset frequently or every time you eat, then a more serious medical condition may be to blame and a trip to the doctor is in order.

Upset stomach is not a specific medical condition, but is a term used to describe one of many digestive symptoms. It commonly refers to heartburn and indigestion, but may also include diarrhea, gas, bloating, or constipation. The most common causes of any of these conditions are eating foods which are high in fat or which are heavily processed. If this is the case, avoiding these foods may alleviate symptoms.

If you experience upset stomach after eating in any of the most common forms, taking an over the counter medication may be the most beneficial solution. This is especially true if you only experience pain after eating certain foods. Bismuth subsalicylate is one of the most common and effective medications you may try since it treats various symptoms with one dosage.


Most prolonged or frequent upset stomach after eating may be indicative of a particular medical condition. There are various illnesses which may lead to frequent upset stomach, including irritable bowel syndrome and acid reflux disease. Most of these conditions can be treated with medication and dietary changes. To avoid upset stomach after eating, you should limit consumption of fatty foods, alcohol, and sweets. Heavily processed foods may also lead to stomach discomfort.

You may also find that you experience some bloating after eating a meal containing certain vegetables. These foods should not be avoided, but if you aren't used to them it may take time for your body to adjust. Until then, you can take medications to alleviate discomfort. You may also consider taking digestive enzymes to avoid gas or bloating in the first place.

When dealing with an upset stomach, avoid strenuous physical activities, particularly if you are nauseated. You should also avoid eating or drinking anything which may be hard to digest, especially diary products. If you are experiencing diarrhea or vomiting, be sure to stay hydrated by drinking plenty of water or electrolyte enhanced beverages. Prolonged vomiting and diarrhea may lead to dehydration and should be investigated by a doctor.


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Post 1

When I've had an upset stomach after eating, it's usually been because I ate something really fatty or greasy. If that happens, I drink something clear and carbonated or something like Gatorade G2 and I *don't* eat anything for several hours to give my system time to recover. When I do eat again, I stick with something light.

If I'm nauseated enough to throw up, I try to eat very, very lightly for at least the next 24 hours, just to give my body a rest. This is assuming something just disagreed with me, and not that I'm sick because of a virus or food poisoning. In that case, it's clear liquids or ice chips.

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