
What should you drink when you have gastro?
Gastroenteritis , often called " gastro ", is one of the most common infections in children. Characterized by inflammation of the digestive mucosa, this viral or bacterial infection can cause symptoms such as diarrhea , vomiting and fever. When an individual, especially a child, is struck by gastroenteritis, it becomes essential to pay special attention to hydration. The risks of dehydration are increased, therefore requiring wisely choosing a drink to maintain water balance . We must also not neglect the risk of malnutrition , which is why it is necessary to adapt the diet. In this article, we will explore the best options for drinks and food when faced with gastroenteritis.
I. Risks of dehydration and drinks to avoid
The impact of gastroenteritis on water balance

When it comes to gastroenteritis, symptoms such as frequent bowel movements and intense vomiting can lead to a significant loss of water and mineral salts , or electrolytes , thus putting the body's fluid balance to the test. Diarrhea , in particular, is a common manifestation of this gastrointestinal infection, further exacerbating the likelihood of being dehydrated. Repeated fluid losses lead to rapid elimination of water, as does vomiting, which also contributes to significant fluid loss.
The consequences of dehydration
Dehydration , resulting from excessive loss of water in the body , causes a series of health consequences. The water that is a vital element participating in countless physiological processes, its deficiency can lead to side effects.
The effects of dehydration are multiple, ranging from the mildest symptoms such as feeling thirsty, dry mouth, to more serious complications . Thus, a water imbalance can reduce concentration, mental and physical performance and can also lead to increased fatigue. Vital organs such as the kidneys can also be put to the test during the phenomenon.

Carbonated and caffeinated drinks to avoid
When dealing with gastroenteritis , it is imperative to pay special attention to the drinks that we consume . That is why, in these situations, it is necessary to avoid carbonated drinks . The main reason lies in the increased threat of fluid and electrolyte loss, a critical scenario during gastroenteritis. Carbonated drinks can then cause abdominal distension and aggravate the symptoms of bloating and nausea and can be harmful to the already irritated digestive mucosa. Caffeinated drinks have a laxative effect that can increase the likelihood of diarrhea. Thus, avoiding them minimizes the likelihood of complications and promotes a faster and more effective recovery.
II. Gastro: consequences in children
Gastroenteritis, as mentioned earlier, leads to frequent stools and vomiting, loss of fluids and nutrients, which will promote dehydration and malnutrition , if not treated properly. In children, who are still developing, the risks are even greater.
Malnutrition in children is manifested by visible weight loss and a deficiency in essential nutrients. A loss of 2 kg in one month can be an alarming sign, and gastroenteritis can aggravate this situation. It is therefore crucial to act quickly to prevent these complications and preserve the child's growth.
Furthermore, it is crucial to note that significant fluid loss followed by insufficient rehydration can alleviate the sensation of thirst and dry mouth without actually solving the dehydration problem. It is therefore essential to ensure adequate hydration to compensate for losses.
III. What food should you favor?
Gastroenteritis causes a loss of nutrients that can lead to malnutrition . To avoid this phenomenon , it is advisable to have a balanced and varied diet during the period, then for three to four days with a gradual return to normal.
There is no particularly effective diet, but there are foods regularly recommended by Health Insurance, for example. This includes anti-diarrheal foods, such as:
- rice,
- cooked carrots,
- bananas,
- quince jelly or compote,
- or even bread.
In addition, it is not recommended to consume foods that are difficult to digest or laxative, such as green vegetables and acidic fruits.
IV. Drinks to favor
The benefits of still water

During gastroenteritis, it is necessary to prioritize still water and drink about 2 liters per day to stay properly hydrated. In fact, still water, devoid of gas, allows easier absorption, without attacking the digestive system which is weakened during this period. It is a gentle option to maintain hydration and compensate for losses related to symptoms such as diarrhea and vomiting. However, it is also necessary to maintain a sufficient sugar and salt intake because the deficit of these elements can jeopardize the hydration of the body.
SROs to restore electrolytes
ORS are used in infants and young children to prevent severe drying out due to diarrhea. They are formulated with electrolytes such as sodium, potassium, or chloride, combined with sugar such as glucose, in proportions equivalent to the losses caused by diarrhea. The sugar will provide energy, reduce vomiting, and facilitate the absorption of water by the intestine. In this way, they are used to concoct a solution to facilitate rehydration .
It is important to note that before the age of eighteen months, all other beverages (natural or sweetened water, sodas, etc.) are inappropriate in cases of gastroenteritis.
Hydratis, a suitable solution

Hydratis lozenges are based on the principle of Oral Rehydration Solutions (ORS). They are composed of electrolytes such as magnesium, potassium, chloride and promote optimal absorption of water with essential electrolytes for the body. Hydratis is recommended to prevent dehydration, in case of vomiting and diarrhea. Note that Hydratis contains zinc, and according to the WHO it is an element that reduces the duration of diarrheal episodes by 25% and the volume of stools by 30%.
V. Tips for easy hydration
Splitting the sockets
In case of gastroenteritis , it is essential to maintain adequate fluid intake. For this, a specially formulated oral rehydration solution may be necessary to provide essential electrolytes and restore the body's water balance. It is then recommended to drink regularly, in small quantities , every hour, to promote rapid recovery . This approach allows for more efficient absorption of fluids by the body, thus avoiding the risk of drying out. With the frequent nausea associated with gastroenteritis, drinking small quantities of water at regular intervals will help you avoid discomfort!
Vary the flavors to make hydration more appealing
To make hydrating less stressful, you can definitely try different flavors of hydrating drinks . Choosing liquids with natural and varied flavors can make this experience more enjoyable and encourage more regular water consumption. Hydratis offers a wide range of flavors. From shades of wild berries to watermelon flavors, including a lemon elderflower blend, this gives you the opportunity to add a touch of taste to your water!
VI. What to remember about nutrition and hydration during gastroenteritis?
Symptoms of gastroenteritis can cause a significant loss of fluids, minerals and nutrients, thus endangering the metabolism.
Maintaining an adequate water and nutritional intake is therefore essential to prevent dehydration and malnutrition, and thus promote rapid recovery.
A varied and balanced diet will already be a good step towards recovery. For hydration, it is necessary to take into account the fact of splitting the intakes. With this in mind, Hydratis solutions are an ideal option.
Bibliography:
Acute viral gastroenteritis – Public Health France
Gastroenteritis in children: what to do and when to consult? | ameli.fr | Insured
Treatments for childhood diarrhea - VIDAL
Key facts about diarrheal diseases