Why do I feel nauseous when I eat?

In this brief guide, we will address the query, “why do I feel nauseous when I eat?”. We will also discuss the symptoms and treatment related to this condition.

Why do I feel nauseous when I eat?

Feeling nauseous whenever you eat might be caused by different factors. Most people have experienced, at least once in life, nausea after having eaten too much food, but if this has become a regular symptom in your life, there might be something wrong.

Some of the most common sources of nausea include food allergies, stress, and pregnancy, but these are not the only reasons why you feel this way. Commonly, nausea only lasts for a couple of days, if you have surpassed this period, it is time to seek medical help.

We live in a world that goes too fast, it is normal that we feel stressed or anxious from time to time, this can also be the cause of nausea as our body is letting us know that it is time to relax a little bit.

Most of the time, home remedies and medication will be enough to eliminate this feeling. If that is not the case, maybe something else is going on inside your body. No one likes to feel nauseous when we eat, a delicious meal can turn into a horrific experience in zero time. 

What causes nausea after eating?

Usually, the principal causes are related to stress, food poisoning, or food allergies; however, there are some other conditions that can be responsible for your nausea, let’s take a look at some of the principal reasons 

  • Infection. Commonly, people catch some viral or bacterial infection after having eaten outside, this might be because the food was not treated properly. Nausea appears briefly after eating the contaminated food and can last for up to 48 hours. 
  • Food poisoning. If you have consumed food prepared poorly, if you left your food (cooked, dairy, meat, and fish) unrefrigerated for too long. To get rid of nausea you need to wait until your body excretes all of the toxins and contaminating agents.
  • Food allergies. Food allergies are more common than we think, and they cause different reactions. When you eat something you are allergic to, your body will produce different chemicals that can lead to nausea, among other symptoms.
  • Stress and anxiety. Stress causes different symptoms for each person, some of them can be physical, like nausea. 
  • Overeating. If you eat more than your system can handle, nausea is very likely to occur. Eat only when hungry, and chew properly to avoid nausea and some other symptoms.

WebMD reports that some other conditions can lead to nausea, such as

  • Pregnancy.
  • Gallbladder disease.
  • Heart attack.
  • Head injury.
  • Brain tumor.
  • Ulcers.
  • Appendicitis.

How to know what condition is causing you nausea?

According to Medical News Today, some extra symptoms can help you determine what is the agent responsible for causing you nausea.

  • For food poisoning. Some of the most common symptoms are
  • Vomiting.
  • Diarrhea.
  • Stomach cramps.
  • Loss of appetite.
  • Fever.
  • Food allergies. You can tell if an allergy is responsible for your nausea if you also experience
  • Diarrhea.
  • Skin rashes.
  • Swelling on the face or throat.
  • Dizziness.
  • Shortness of breath.
  • Sneezing.

When do you have to seek medical help?

If you wonder when it is appropriate for you to seek medical help, certain signs will let you know when there is something else going on inside your system. If you notice any of these signs, call your doctor.

  • Nausea lasts for more than a few days.
  • There is the possibility of being pregnant.
  • If you have experienced a head injury.
  • For children, nausea and vomiting should not last for more than a few hours.
  • For adults, nausea and vomiting should not last for more than a day.

If you want to comprehend more about what nausea is about, you can check this article.

How do you prevent nausea after eating?

If nausea is not a constant in your life, and you want to keep it that way, you can try doing these recommendations to prevent nausea.

  • Do not overeat. Eating more than your body can handle will cause nausea, do small frequent meals instead. 
  • Avoid foods with a lot of fiber. Eat snacks easier to digest, like white rice or crackers.

Now, if you already are suffering from nausea and want it to stop, try these suggestions.

  • Drink cold, clear fluids. Keeping yourself hydrated will help you ease nausea.
  • Suck on a mint. Chewing gum is also a good option to get rid of nausea.
  • Reduce physical activity. It is not the best idea to go for a run when you feel nauseous, this will worsen it and it can even cause you to vomit.  

I recommend you to write whenever you feel nauseous about what might have been the source of this sensation, this will help you avoid any triggering foods or with the diagnosis of a certain condition.


In this brief guide, we have addressed the query, “why do I feel nauseous when I eat?” We have also discussed the symptoms and treatment you can follow when you experience this condition.

Hope you found this blog useful. If you have any questions, please let us know.




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