Gastrointestinal infections affect the digestive system. They can be caused by various factors like bacteria, viruses, and parasites. These infections can be mild or severe. Here, some gastroenterologists in Mukundapur, Kolkata have discussed their causes, symptoms, and treatments.

Causes of gastrointestinal infections

The causes can be classified into three main categories.

  • Viral: The most common gastrointestinal infections are caused by viruses. For instance, the Norovirus, also called the stomach flu, is a common viral infection that causes gastroenteritis. Other viruses that can contribute to this illness include rotavirus, adenovirus, and astrovirus.
  • Bacterial: Bacteria such as Salmonella, Campylobacter, and E. coli can cause food poisoning. These bacteria are usually contracted through contaminated food or water. Some strains of E. coli can cause severe gastrointestinal infections that can lead to kidney failure.
  • Parasitic: Parasites like Giardia and Cryptosporidium are also found in contaminated water or food. These can cause diarrhoea and dehydration.


According to the best gastroenterologists in mukundapur south kolkata, the symptoms for gastrointestinal infections can vary depending on the type and the severity of the illness. The most common symptoms include:

  1. Nausea
  2. Vomiting
  3. Diarrhoea
  4. Abdominal pain
  5. Cramping
  6. Fever
  7. Fatigue
  8. Dehydration

In severe cases, it can cause serious complications, such as kidney failure or sepsis.The duration of symptoms can vary depending on the types.

Viral: These can cause symptoms within one to three days of exposure to viruses. Symptoms last for two to three days, but some people may experience them for up to 10 days.

Bacterial: Symptoms start to appear within 6to 48 hours when they get exposed to these infections. They can range from one to two days, or, a week in severe cases.

  • Parasitic: When parasitic infections occur, their symptoms manifest within one to two weeks. However, if left untreated, symptoms can worsen and last up to a month or longer.


As per the best gastroenterology doctors in mukundapur, treatment can vary depending on the type of infection and severity. Antibiotics are usually prescribed for bacterial infections. Antiviral medication, on the other hand, is prescribed for viral infections. In some cases, hospitalization may be necessary, especially for severe cases of gastrointestinal infections.

Gastrointestinal infections are a common ailment that can be caused by various factors. If symptoms persist or are severe, the gastroenterologists in Mukundapur can help you to avoid complications.