Is gastroenteritis contagious?

Written by Yang Chun Guang

Gastroenterology

Updated on January 06, 2025

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Whether gastroenteritis is contagious depends on the cause of the inflammation. For example, if a person develops abdominal pain and diarrhea from getting cold, this type of gastroenteritis, caused by chilling, is not contagious, so it will not spread from person to person. However, if the gastroenteritis is caused by bacterial dysentery (commonly known as bacillary dysentery), it can be spread through food. Therefore, whether gastroenteritis is contagious depends on the infecting pathogen and the cause; it cannot be generalized.

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Written by Jiang Guo Ming

Gastroenterology

54sec

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How to completely cure acute gastroenteritis?

Acute gastroenteritis generally occurs more frequently in the summer and autumn seasons, possibly due to exposure to cold or improper diet, typically presenting with symptoms such as abdominal pain, diarrhea, vomiting, bloating, and even fever and chills. Relevant tests, such as a complete blood count, C-reactive protein, and stool examination, can usually confirm the diagnosis. As for treatment, it depends on the cause, such as anti-inflammatory, antiviral, antidiarrheal, and rehydration measures. Most cases of acute gastroenteritis can be completely cured. During treatment, it's necessary to control the diet by consuming light, easily digestible foods, such as porridge and soft noodles, and to avoid raw, greasy, or spicy foods that might provoke recurring episodes. (Specific medications should be used under the guidance of a doctor.)

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Written by Ren Zheng Xin

Gastroenterology

44sec

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Manifestations of chronic gastroenteritis

Chronic gastroenteritis primarily manifests as chronic inflammation of the stomach and intestines, which can include chronic abdominal pain, diarrhea, and decreased appetite. Due to poor appetite and impaired digestive absorption, symptoms such as physical emaciation, fatigue, and lethargy can occur, making one more susceptible to catching colds. For chronic gastroenteritis, it is important to adjust the imbalance of gut flora and use antibiotics to control infections. Attention should be paid to a light, regular diet, eating three meals at fixed times and amounts, avoiding greasy and spicy foods, and consuming more light vegetables and fruits. (Please use medications under the guidance of a doctor)

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Written by Ren Zheng Xin

Gastroenterology

39sec

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Does acute gastroenteritis cause stomach pain?

Acute gastroenteritis, due to inflammation of the gastrointestinal tract, can cause gastric colic. Clinically, it may manifest as upper abdominal pain, nausea, vomiting, and diarrhea. It often occurs in the summer and is directly related to improper diet. It can cause not only stomach pain but also electrolyte imbalance, intestinal perforation, and sepsis. Active use of medications should be undertaken for treatment, with attention to prevent dehydration. During the treatment period, eat a light diet, avoid spicy food, rest well, and keep the abdominal area warm.

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Written by Jiang Guo Ming

Gastroenterology

48sec

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How to stop diarrhea in acute gastroenteritis

First of all, start with diet and daily habits by paying attention to keeping warm and avoiding catching a cold, especially for patients with gastrointestinal-type colds. The diet should consist of light and easy-to-digest foods, such as porridge and soft noodles, with some salt added to replenish electrolytes. Avoid eating foods that are too cold or greasy and spicy. Regarding medication, different treatments should be adopted according to different causes of the disease. For patients with gastrointestinal-type colds caused by viral infections, antiviral and astringent antidiarrheal medications are generally used. If the infection is caused by improper diet, the main treatment involves anti-inflammatory medications to achieve hemostasis.

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Written by Zhai Guo Dong

Gastroenterology

28sec

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How long does it take for gastroenteritis to get better?

If it is acute gastroenteritis, make sure to rest in bed as much as possible, replenish with glucose electrolyte solutions, and handle symptoms accordingly. Recovery often occurs within three to seven days. If it is chronic gastroenteritis, specific analysis based on the particular conditions is required. Chronic gastritis and enteritis often cannot be completely cured, only partially alleviated in terms of symptoms.