feel sick

Why do I feel sick after I eat?

There are several reasons why one might feel sick after eating. Sometimes it’s a natural reaction to the food, while other times it could be a sign of an underlying health condition. In this comprehensive guide, we’ll explore the various reasons why you might feel sick after eating, the common symptoms associated with it, and what you can do to alleviate your discomfort.

What Causes Nausea After Eating?

Overeating: One of the most common reasons people feel sick after eating is simply overeating. Eating too much food in one sitting can lead to feelings of bloating, indigestion, and nausea. Your stomach has a limited capacity, and when you overeat, it stretches to accommodate the extra food, which can cause discomfort.

Food Poisoning: Consuming contaminated or spoiled food can lead to food poisoning, which can cause nausea, vomiting, and diarrhea. Symptoms can appear anywhere from a few hours to several days after eating the contaminated food. Common sources of food poisoning include undercooked meat, unpasteurized dairy products, and raw or undercooked eggs.

Allergies: If you have a food allergy, your body’s immune system reacts to a specific food, which can cause a range of symptoms, including nausea, vomiting, and diarrhea. Common food allergies include peanuts, shellfish, milk, and eggs.

Acid Reflux: Acid reflux is a condition where stomach acid flows back into the esophagus, causing heartburn, regurgitation, and nausea. It can occur after eating spicy or fatty foods, drinking alcohol or carbonated drinks, or lying down immediately after eating.

Gallbladder Disease: The gallbladder is a small organ that stores bile, which helps digest fat. When the gallbladder is diseased or malfunctioning, it can cause nausea and vomiting after eating, particularly after meals high in fat.

Irritable Bowel Syndrome (IBS): IBS is a chronic digestive disorder that can cause a range of symptoms, including abdominal pain, bloating, and diarrhea. Nausea after eating is also a common symptom of IBS.

Gastroparesis: Gastroparesis is a condition where the stomach takes longer than usual to empty its contents, causing nausea and vomiting after eating. It can be caused by diabetes, certain medications, or neurological disorders.

Pregnancy: Nausea is a common symptom of pregnancy, particularly during the first trimester. It is often referred to as morning sickness, but it can occur at any time of the day or night. The exact cause of morning sickness is not fully understood, but it is thought to be related to the hormonal changes that occur during pregnancy.

Symptoms of Nausea after Eating

Nausea after eating can be accompanied by several other symptoms, including:


Abdominal pain or cramping


Bloating or gas

Heartburn or acid reflux

Loss of appetite


When to Seek Medical Help

If you experience nausea after eating regularly or if it is accompanied by other symptoms, it is important to seek medical attention. Some of the warning signs that indicate a need for medical attention include:

Severe or persistent abdominal pain

Blood in vomit or stool

High fever

Rapid heart rate or palpitations

Dizziness or lightheadedness


Treatment Options for Nausea After Eating

The treatment for nausea after eating depends on the underlying cause. Here are some options that can help alleviate the symptoms:

Nataly Komova

Nutritionist. Bluffton University, MS

In today's world, people's eating and exercise patterns have changed, and it is often lifestyle that is the cause of many diet-related illnesses. I believe that each of us is unique – what works for one does not help another. What is more, it can even be harmful. I am interested in food psychology, which studies a person's relationship with their body and food, explains our choices and desires for specific products, the difficulty of maintaining optimal body weight, as well as the influence of various internal and external factors on appetite. I'm also an avid vintage car collector, and currently, I'm working on my 1993 W124 Mercedes. You may have stumbled upon articles I have been featured in, for example, in Cosmopolitan, Elle, Grazia, Women's Health, The Guardian, and others.

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