What to eat in case of gastroenteritis?

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Gastroenteritis is an inflammation of the digestive system. It causes symptoms such as acute and sudden diarrhea, nausea, vomiting but also abdominal cramps, moderate fever, headaches and dehydration.

It sometimes causes dizziness and hypotension which are linked to dehydration and fatigue.

It can be dangerous in fragile people.

A good diet and good rehydration help the body to recover more quickly from this disease.

So what are some good foods and drinks to incorporate into your diet for gastroenteritis?


Vomiting and diarrhea lead to a loss of water and mineral salts (sodium and salt) that you must absolutely compensate for to prevent your body from becoming dehydrated.

You should consume a volume of fluid that approximately compensates for the weight you lost due to vomiting and diarrhea.

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Here are some recommendations:

Drink as much water as possible in small amounts, small sips of water. You should drink the equivalent of at least two liters of water a day.

Favor drinks that contain sugar and salt to compensate for losses:

  • Mineral water
  • Sodium-rich plain water
  • Sugar water (you can add a little sugar to the water)
  • Sweet herbal teas
  • Salted vegetable broth;
  • De-carbonated sodas. You can drink soda provided you stir it long enough to remove all the gas, it will save you bloating. Sodas bring a lot of sugar while calming thirst

You can also prepare yourself a liquid drink rich in sugar and mineral salts to rehydrate yourself.

Here is a little recipe: Mix one liter of mineral water with six teaspoons of sugar and one of salt. You can replace the sugar with an unsweetened fruit juice, according to the following recipe:

  • 360 ml unsweetened orange juice;
  • 600ml mineral water;
  • 1/2 tsp. salt.

Especially avoid:

  • Coffee which has a laxative effect. It may accelerate intestinal transit and soften the stool
  • Alcoholic beverages that promote dehydration by increasing the loss of water and mineral salts
  • Frozen drinks
  • Milk

In case of gastroenteritis, a good diet is essential

During the first three days, try to eat little and properly. Above all, avoid all excesses that can aggravate your condition.

As the symptoms disappear, gradually resume a diversified diet.

As soon as you feel that your transit is returning to normal and you start to be able to eat more and more, eat several small meals at short intervals. Continue to eat in small amounts throughout the day until the symptoms completely disappear and your general condition improves.

For intestinal transit to return to normal as quickly as possible, it is important to favor foods that are easy to digest, low in fat, low in fiber and which slow down transit and restore the flora.

Here is a list of suitable foods:

  • Starchy foods: (salty foods containing sugar and without residue, well-cooked rice, white pasta, potatoes, etc.);
  • Lean fish, boiled or steamed
  • Lean, grilled meat, ham or chicken
  • Well-cooked carrots, especially not raw
  • Cooked cheese
  • Grated or stewed apples
  • ripe banana
  • Dried fruits
  • Rusks spread with honey or fruit jelly;
  • salty biscuits
  • Don’t limit yourself to the BRATT diet, which consists of eating bananas, rice, applesauce, tea, and toast. The BRATT diet takes its name from English (bananas, rice, applesauce, tea and toast). This refeeding diet has been strongly advised against by the US Centers for Disease Control and Prevention.

Here is a list of foods that you must absolutely banish from your diet while waiting for your recovery:

  • Whole starches (wholemeal bread, wholegrain rice, etc.)
  • Raw fruits and vegetables in general;
  • Vegetable fibers (raw vegetables, green vegetables, etc.)
  • Legumes (dried beans, lentils, etc.)
  • Fresh fruits are often acidic (with the exception of bananas), prefer jellies, jams, compotes
  • Fries
  • spicy dishes
  • Dairy products
  • Eggs

Speedy recovery !

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