Cómo Se Contagia La Gastroenteritis: Causas, Síntomas Y Tratamiento

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Gastroenteritis is a common illness that affects millions of people every year. It is an inflammation of the stomach and intestines, which can cause diarrhea, vomiting, and stomach pain. In this article, we will discuss how gastroenteritis is transmitted, its causes, symptoms, and treatment.

Transmission of gastroenteritis

Gastroenteritis is highly contagious and can be transmitted through various routes. The most common way is through direct contact with an infected person, such as shaking hands or kissing. It can also be spread through contaminated food or water, especially if it has been prepared by someone who is infected. Additionally, it can be transmitted through contact with contaminated surfaces, such as doorknobs or countertops.

Causes of gastroenteritis

Gastroenteritis can be caused by a variety of factors, including viruses, bacteria, and parasites. The most common viral causes are norovirus and rotavirus, which are highly contagious and easily spread. Bacterial causes include Salmonella, E. coli, and Campylobacter, which are often found in contaminated food or water. Parasitic causes include Giardia and Cryptosporidium, which are also found in contaminated water.

Symptoms of gastroenteritis

The symptoms of gastroenteritis can vary depending on the cause, but the most common symptoms are diarrhea, vomiting, and stomach pain. Other symptoms may include fever, headache, and muscle aches. The symptoms can last anywhere from a few days to several weeks, depending on the severity of the infection.

Treatment for gastroenteritis

Treatment for gastroenteritis usually involves rest and rehydration, especially if the symptoms are mild. Drinking plenty of fluids, such as water or sports drinks, can help replace fluids lost through diarrhea or vomiting. Over-the-counter medications, such as anti-diarrheal drugs, can also help alleviate symptoms. In severe cases, hospitalization may be necessary to provide intravenous fluids and antibiotics.

Preventing gastroenteritis

Preventing gastroenteritis is key to avoiding infection. The best way to prevent it is to practice good hygiene, such as washing hands frequently with soap and water, especially after using the bathroom and before eating. Additionally, avoid sharing food and drinks with others, and make sure to properly prepare and cook food to avoid contamination.


Gastroenteritis is a common illness that can cause discomfort and inconvenience. It is important to understand how it is transmitted, its causes, symptoms, and treatment to help prevent infection. Practicing good hygiene and food preparation techniques can go a long way in preventing gastroenteritis and promoting overall health.

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