What is the risk of getting GI bugs from someone?

Doctor's Answers 1

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Dr Wai Leong Quan

Gastroenterologist

GI bugs or GI pathogens usually gain entry into the body through our mouths. This happens when we ingest contaminated food or water containing such pathogens. In some cases, the pathogens may affect both the respiratory and digestive system such that you experience GI symptoms after recovering from a respiratory infection.

To contract an infection from another person, there is usually close contact either through sharing of food or personal items. Depending on the mode of transmission, aerosols created from coughing and sneezing from an infected person may also spread the disease.

The risk of getting such a pathogen is variable and largely dependent on the exposure risk, the virulence of the pathogens as well as the immune status of the recipient. So avoid sharing food and personal items and adopting healthy eating habits and lifestyle may be your ticket to keep the GI pathogens at bay.

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How do I prepare for a gastrointestinal endoscopy?

Depending on the type of endoscopy you plan to have, the preparations can be merely a 6 to 8 hour fasting to drinking 2 to 3 litres of bowel prep fluid overnight. In general, most doctors have their own advice on how to prepare you for the endoscopy process. Please follow their advice closely so that you will get the best outcome from your endoscopy. One simple tip that I provide my own patients for colonoscopy is to chill their bowel prep solution in the fridge after preparing. A few drops of lime juice may go a long way in making the drink more palatable.

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Answered By

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When must an MRI be performed for an X-ray that shows inflammation in my lower back (L5/S1)?

Hi, X-rays will not show actual inflammation in your lower back. It does show: the alignment of the spine whether there are any fractures, or perhaps indirectly show spasm of the lumbar muscles by showing the abnormal Alignment of the spine. To show actual inflammation, nerve compression, slipped discs or tears in the discs, tumours etc, an MRI would be required. So if you have persistant back pain, an MRI would often be needed to further highlight any other potential pathology in the lumbar spine.

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Answered By

Dr Sean Ng

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