Gastrografin is a special liquid that patients are asked to drink before a CT colonography to highlight any stool left in the bowel. It is a type of dye containing iodine that helps to make scan pictures clearer. It also acts as a laxative and may give the patient diarrhoea. Gastrografin is usually taken over 1 or 2 days before the procedure.
Characteristics | Values |
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How long does Gastrografin take to work as a laxative? | Gastrografin is a special liquid that works as a laxative and may give you diarrhoea. It usually takes 1-2 days to work. |
How to take Gastrografin? | You need to drink Gastrografin over 1 or 2 days. |
When to take Gastrografin? | You need to take Gastrografin 1 or 2 days before the CT colonography test. |
How often do you need to open your bowels after taking Gastrografin? | You will need to open your bowels often and very suddenly after taking Gastrografin. |
What are the other effects of taking Gastrografin? | You might also experience some cramping pains and a mild rash but this is uncommon. Very rarely, you can have an allergic reaction. |
What You'll Learn
Gastrografin is a type of dye containing iodine
Gastrografin is a clear, faintly yellow solution with a sweet taste. It is supplied in amber glass bottles of 100 or 250 mL. The dosage of Gastrografin depends on the type of examination and the patient's age. For example, for adults and children aged 10 years and above, the dosage for visualisation of the stomach is 60 mL, while for a follow-through examination of the gastrointestinal tract, the maximum dosage is 100 mL.
It is important to note that patients should not take Gastrografin if they have an allergy to iodine-containing contrast media, have an untreated overactive thyroid, or are dehydrated. Additionally, patients with certain medical conditions, such as heart disease or a very poor state of general health, should consult their doctor before taking Gastrografin.
Gastrografin can cause side effects, including serious allergic reactions, difficulty breathing, heart attack, vomiting, nausea, and diarrhoea. These side effects are typically minor and temporary, but patients should seek medical attention if they experience any severe symptoms.
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It helps to make scan pictures clearer
Gastrografin is a special liquid that is used as a preparation for CT colonography, also known as a virtual colonoscopy. This procedure involves the use of a CT scanner to produce 3-dimensional images of the large bowel and rectum. To ensure that the images are clear, the bowel must be empty. This is achieved by taking strong laxatives or drinking Gastrografin, which acts as a laxative.
Gastrografin is a type of dye that contains iodine. This dye helps to highlight any stool left in the bowel, making the scan pictures clearer. It is important to have clear scan pictures to accurately detect any growths or abnormal areas on the bowel wall.
The preparation for a CT colonography usually starts a couple of days before the test. If you are instructed to take Gastrografin, you will need to drink it over the course of 1 to 2 days. It is important to follow the instructions provided by the hospital regarding the timing and dosage of Gastrografin.
In addition to drinking Gastrografin, you may also be asked to follow a low-fibre diet for 1 to 2 days before the test. This helps to ensure that your bowel is fully emptied and can improve the clarity of the scan images.
It is important to note that Gastrografin can cause diarrhoea, so it is recommended to stay at home for a few hours after taking it so that you are near a toilet. Additionally, make sure to drink plenty of clear fluids to prevent dehydration.
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It acts as a laxative and may cause diarrhoea
Gastrografin is a special liquid that acts as a laxative and may cause diarrhoea. It is used to prepare the body for a CT colonography, also known as a virtual colonoscopy, which is a test that uses CT scans to check the large bowel (colon) and back passage (rectum).
Gastrografin is a type of dye containing iodine that helps make scan pictures clearer. It is typically taken over the course of one or two days before the procedure. It is important to note that Gastrografin may cause diarrhoea, so it is recommended to stay at home near a toilet for a few hours after taking it.
In addition to Gastrografin, there are other preparations that may be required before a CT colonography. These include following a low-fibre diet for one or two days before the test and drinking plenty of clear fluids to prevent dehydration. It is also recommended to stop taking iron tablets or other medications that can cause constipation about a week before the test.
The procedure itself usually takes around 30 minutes, but patients should expect to be in the department for about an hour. During the procedure, a small tube is inserted into the rectum, and carbon dioxide or air is pumped inside to open up the bowel and get clear scans. After the procedure, it is common to feel bloated, have stomach pains, and pass wind, but these side effects do not last long.
Overall, Gastrografin is an important part of the preparation process for a CT colonography, but it is essential to be aware of its potential side effects, such as diarrhoea, and to take the necessary precautions.
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It is preferable to stay at home for a few hours after taking Gastrografin
Gastrografin is a special liquid that acts as a laxative and helps in preparing for a CT colonography procedure. It is important to note that this procedure requires an empty bowel, and Gastrografin is one of the options to achieve that. It is a type of dye containing iodine that helps make the scan pictures clearer.
Given the effects of Gastrografin, it is highly preferable to stay at home for a few hours after taking it. This is because Gastrografin can cause sudden and frequent bowel movements, and staying at home ensures easy access to a toilet, avoiding any potential accidents or discomfort. Additionally, it may also cause diarrhoea, and being at home provides a more comfortable and familiar environment to manage this side effect.
Furthermore, staying at home allows for a more relaxed and stress-free environment, which can be beneficial for individuals who may experience cramping pains or discomfort as a result of the laxative effects of Gastrografin. It is important to prioritise one's comfort and privacy during this time.
In addition to the physical side effects, staying at home can also provide peace of mind and reduce anxiety about potential accidents or embarrassment. This is especially important for individuals who may feel self-conscious or uncomfortable about their situation.
Moreover, staying at home after taking Gastrografin can also help ensure proper hydration. It is crucial to drink plenty of clear fluids before and after the procedure to prevent dehydration, and being at home can make it easier to monitor fluid intake and ensure a steady recovery.
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Gastrografin is well tolerated as a preparation
Gastrografin is a special liquid that is used as a preparation for CT colonography, also known as a virtual colonoscopy. This procedure is used to check the large bowel (colon) and back passage (rectum) and usually takes around 30 minutes.
To prepare for a CT colonography, you will need to start your preparation a couple of days before the test. You will either be asked to take medication (laxatives) the day before, or you will be asked to drink Gastrografin 1 to 2 days before. It is important to follow the instructions provided by the hospital.
After drinking Gastrografin, you will need to stay at home for a few hours as you will need to open your bowels often and very suddenly. You might also experience some cramping pains and nausea. It is important to drink plenty of clear fluids before and after your scan to prevent dehydration.
In rare cases, Gastrografin can cause a mild rash or an allergic reaction. If you experience any problems during the test, it is important to inform the radiographer immediately.
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Frequently asked questions
Gastrografin is a special liquid that acts as a laxative and can induce diarrhoea. It is recommended that you stay at home for a few hours after taking Gastrografin so that you have easy access to a toilet.
Gastrografin is a type of dye containing iodine that is used to make scan pictures clearer. It is also a laxative and may cause diarrhoea.
Gastrografin is administered orally, usually 1-2 days before the procedure.
Yes, in addition to diarrhoea, Gastrografin can cause nausea, a mild rash, and very rarely, an allergic reaction.