Suffering stomach aches, cramps, or even diarrhea after eating often means that there is some problem in your digestive system that makes it unable to digest the food you eat properly.
These problems can be internal or external; that is, they can be due to some organic condition, or they can be due to the form, quantity, and speed at which you eat. The conditions and conditions that can cause you to break down suddenly after eating are many and varied.
If you always have diarrhea after eating, you are most likely suffering from an intestinal problem, some of which require medical treatment. In the following FastlyHealarticle, we will talk to you about why I have diarrhea after eating so that you can know what is happening to you and how to avoid it.
Table of Contents
After eating, I always have diarrhea: irritable bowel syndrome.
Irritable bowel syndrome, also known as irritable bowel syndrome, is undoubtedly the illness or physical disorder behind most diarrhea cases after eating. This chronic condition usually appears as a result of stress and anxiety. There is no physical cause that causes the problem, but it is the manifestation of a psychological problem. The point is that fear and nerves drive tension and muscle contractions that, in the intestine, can cause cramps and the need to go to the bathroom right after eating.
Some of the symptoms of irritable bowel syndrome, beyond diarrhea after eating, are:
- Constipation.
- Cramps
- Abdominal pain.
- Swollen abdomen
Defecate after each meal due to celiac disease
Gluten is a protein found in cereals such as barley, wheat, rye, or oats. As in the case of celiacs, there are people whose bodies cannot digest this protein. This causes damage to the small intestine, damage that prevents absorption of food components, and can cause symptoms such as diarrhea, constipation, and muscle cramps.
In addition to celiac disease, other people may have a gluten allergy or sensitivity. In either case, the treatment to avoid these symptoms has to eliminate this protein from the diet.
Lactose intolerance diarrhea
Lactose intolerance is a physical problem following a lactase deficiency in the gut. Since lactase is the enzyme responsible for the digestion of lactose, its absence means it cannot be digested correctly, causing many intestinal symptoms.
Although many people confuse them, it must be explained that lactose intolerance is not the same as lactose allergy; this intolerance does not produce allergic reactions but problems and symptoms related to the inability to digest milk.
In addition to diarrhea after eating, the symptoms of lactose intolerance, abdominal distention, and stomach pain stand out, signs that appear just after ingesting dairy products. If you think you may suffer from lactose intolerance, consult a doctor for an oral lactose tolerance test. If the results are positive, you may need to start a treatment based on lactose tablets with enzymes or drops.
Finishing eating and diarrhea from food poisoning
Food poisoning is another possible cause of eating diarrhea, especially if it never happens to you. These contaminations are usually caused by products with viruses, bacteria, or toxins that, once in our body, cause diarrhea and other annoying intestinal symptoms.
In addition to diarrhea after eating, other symptoms that can appear after food poisoning are:
- Sickness.
- Tiredness.
- Stomach cramps
- Lack of appetite.
- Fever.
- Vomiting
Shellfish, fish, sauces in terrible condition, or eggs are some products that can cause food poisoning more easily.
Everything that I eat causes diarrhea due to possible gastroenteritis.
Diarrhea is one of the main symptoms of gastroenteritis, the disease also popularly known as the intestinal flu. Although this is a viral infection and is not usually linked to what you eat, it is true that after eating, diarrhea may appear for the first time and begin to produce its symptoms, among which are also:
- Násuseas.
- Vomiting
- Stomachache.
- Cramps
If you suffer from gastroenteritis, it is normal to have episodes of diarrhea and vomiting right after eating. In general, this infection lasts about three days and is highly contagious. If you suffer from it, you should start a soft diet for the time it lasts to avoid worsening the symptoms. In the following FastlyHealarticle, we will talk about the diet for gastroenteritis.
Diarrhea caused by anxiety
If you are going through a period of anxiety and nervousness, it is common for these problems to move to your stomach and cause difficulties in digesting. The symptoms of stress can be very varied and change from one person to another. From minor stomach upsets, nausea, or diarrhea.
The reason is that anxiety drives us to have bad eating habits. If we are anxious, we eat more, faster, without chewing, in greater quantity, and we tend to eat more fatty products.
In the following FastlyHealarticle, we leave you the causes and solutions of anxiety to eat so that you can prevent diarrhea caused by stress.
Sudden diarrhea after eating: treatment
First of all, you must know what is causing your diarrhea after eating. Depending on the cause, the treatment will be different, so you should visit a doctor who will perform the relevant tests.
After an episode of diarrhea, you should give your stomach a break to return to normal. An excellent way to not eat anything solid for 24 hours just water and liquid foods to rehydrate the body. Little by little, you can start with portions of rice, fruit, or vegetables and return to your usual diet when you feel better.
In addition, treatment for diarrhea after eating may include the following:
- You are taking antacids: which can temporarily neutralize the effects of stomach acids. You must be clear that this is not a permanent solution; it will simply help you relieve the symptoms.
- Apply hot compresses: a hot bag or an electric heater on the stomach can reduce the symptoms of diarrhea after eating.
- Massage your stomach: lying on your back, move your fingers over the abdomen until you notice an improvement in symptoms and pain. If it worsens, you should immediately stop the massage.
- Eat yogurt: this is a food that contains probiotics and bacteria that improve digestion, and that can improve pain and symptoms. If you have lactose intolerance, you should not eat dairy products, not yogurt.
- High fiber diet: this will help alleviate symptoms and prevent diarrhea; of course, depending on which cases, you should avoid those products that contain gluten.
- It would help if you avoided: overeating, eating too fast, spicy, processed and fatty products, alcohol, caffeine, and tobacco.
This article is merely informative, at FastlyHeal .com we do not have the power to prescribe medical treatments or make any type of diagnosis. We invite you to see a doctor in the case of presenting any type of condition or discomfort.
If you want to read more articles similar to Why do I have diarrhea after eating , we recommend that you enter our Digestive System category .

I am a Surgeon with a diploma in comprehensive ultrasound and surgical care residency, an area I am specializing in. During the exercise of my profession, I have realized the need for patients to know the diseases they suffer, and I can tell you that a large part of their complications is due to a lack of information. Being a health web writer allows me to transmit my experience, without borders, to all those readers eager for knowledge, educate them in the prevention of diseases and promote a healthy lifestyle.