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Postprandial syndrome (dumping syndrome, post-resection syndrome) is a set of symptoms and ailments that result from the removal of all or part of the stomach, e.g. after bariatric surgery in obese patients. Postprandial syndrome most often appears after eating too much sweet, fatty or fried food. What are the symptoms of postprandial syndrome and what to eat to avoid it?

Postprandial syndromeoccurs in most patients after total or partial resection (removal) of the stomach and lasts for several months after surgery. The rationale for resection may be, inter alia, gastric cancer or obesity surgical treatment (e.g. gastric by-pass). Dumping syndrome is a set of reactions caused by the rapid absorption of glucose (sugar) from the intestines after the stomach contents pass suddenly through it. How does this happen?

Removal of the entire stomach or its part causes disturbances in the proper functioning of the gastrointestinal tract and disturbs the digestion of food and the absorption of nutrients. As a result of the impairment of the vagus nerve function, the food content passes faster to the distal parts of the digestive system, especially the small intestine, overloads the intestine and causes a strong discharge of intestinal hormones into the blood. With time, the digestive system gets used to operating in new conditions, and the symptoms of the postprandial syndrome last longer in about 10% of people. patients after gastric surgery.


  1. Postprandial syndrome - symptoms
  2. Postprandial Syndrome - Prevention
  3. Postprandial Syndrome - Treatment

Postprandial syndrome - symptoms

Postprandial syndrome comes in two forms: early, which may appear 15 to 60 minutes after a meal, and late - 1 to 3 hours after a meal.

The symptoms of postprandial early syndrome are:

  • tiredness right after eating a meal
  • nausea and vomiting
  • tachycardia - accelerated heartbeat
  • abdominal cramps and pains
  • diarrhea
  • flatulence
  • dizziness
  • feeling lightheaded
  • weakness
  • blushes
  • lowering blood pressure
  • blank bounce

Teampostprandial latemanifests itself with hypoglycemic symptoms (hypoglycemia - too low blood sugar), that is:

  • weakening
  • confusion
  • fainting
  • sweating
  • irregular heartbeat
  • convulsions
  • heart palpitations
  • starvation
  • aggression

The symptoms of postprandial syndrome are so characteristic that they do not require additional diagnostics, but it is definitely worth consulting with a doctor if they persist for a long time.

Postprandial Syndrome - Prevention

Postprandial syndrome most often appears after eating sweet or fatty or fried foods. In order to prevent the symptoms of dumping syndrome, a diet limiting the consumption of products that aggravate the symptoms of the syndrome is applied, namely:

  • fats - recommended fats are: little, olive oil, vegetable oils
  • milk and dairy products
  • simple carbohydrates - complex carbohydrates are recommended, e.g. vegetables

People with dumping syndrome should eat 5-6 small meals, not too hot and not too cold, every few hours, chewing each bite slowly. Recommended culinary techniques for preparing dishes are boiling in water or steaming and baking in foil. If possible, the patient should lie down for several minutes after eating. Drinking fluids is also important in preventing postprandial syndrome - before eating, at least 30 minutes after a meal, between meals, but never while eating.

Worth knowing

Products to Avoid When Dumping Syndrome:

  • sweets (cakes, cookies, cakes, chocolate, ice cream) and sweet drinks
  • candied, dried fruit, made of syrup
  • highly processed products
  • coffee, tea, energy and isotonic drinks
  • alcoholic beverages

Postprandial Syndrome - Treatment

Dumping syndrome does not lead to serious illnesses, but it can cause weight loss caused by food malabsorption and reluctance to eat. The aim of postprandial syndrome treatment is to alleviate symptoms in the temporary period of digestive tract adaptation to functioning in new conditions. Therefore, the mainstay of treatment is adherence to dietary recommendations. Sometimes the therapy includes anticholinergic drugs that inhibit the motor (motor) activity of the gastrointestinal tract and supplementation with vitamins and minerals. Surgery is extremely rarely used in the treatment of post-resection syndrome. Correction consists in extending the food path from the stumpstomach into the duodenum by sewing an insert made of the small intestine.

Important supports safe treatment and a dignified life of people suffering from obesity. This article does not contain discriminatory and stigmatizing content of people suffering from obesity.

About the authorMagdalena Gajda A specialist in obesity disease and obesity discrimination of people with diseases. President of the OD-WAGA Foundation of People with Obesity, Social Ombudsman for the Rights of People with Obesity in Poland and a representative of Poland in the European Coalition for People Living with Obesity. By profession - a journalist specializing in he alth issues, as well as a PR, social communication, storytelling and CSR specialist. Privately - obesity since childhood, after bariatric surgery in 2010. Starting weight - 136 kg, current weight - 78 kg.

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