Colyte Bowel Preparation (Afternoon)
Medically Reviewed by Dr. Bharat Pothuri, MD, FACG
Get expert instructions on using Colyte for afternoon colonoscopy appointments. Ensure a thorough colon cleanse for accurate results with our guide!
Video Instructions
Written Instructions
General Instructions |
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2 Weeks Before the Procedure |
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| Foods | No change |
| Liquids | Drink plenty of water |
1 Week Before the Procedure |
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| Foods |
No Nuts or Seeds - berries, cashews, corn nuts, peanuts, pecans, popcorn, walnuts Low Fiber Diet
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| Liquids | Drink plenty of water |
| Medications |
Pharmacy
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1 Day Before the Procedure |
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| Foods |
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| Liquids |
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| Medications |
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Procedure Day |
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| Foods | No food or liquids the day of the procedure |
Medication Instructions |
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Attention |
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| Expected Symptoms Do not stop the bowel preparation |
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| Take Generic Simethicone or Brand Name Gas-X Chewable Tablets Only |
Take one of the following based on the tablet strength available:
Chew tablets completely before taking the first dose. |
First Dosage → 10PM - 12PM |
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| 10PM - 12PM |
Drink 8 ounces of the solution every 15 minutes until a half gallon is consumed |
| Take Generic Simethicone or Brand Name Gas-X Chewable Tablets Only |
Take one of the following based on the tablet strength available:
Chew tablets completely before taking the second dose. |
Second Dosage → 4AM - 6AM |
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| 4AM - 6AM |
Drink 8 ounces of the solution every 15 minutes until the entire gallon is consumed |
12AM |
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| Foods | No food or liquids after midnight except prep solution |
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Frequently Asked Questions
How much water should I drink with polyethylene glycol 3350?
Drink at least 8 ounces of water with each dose. If used for bowel prep, consume the entire prescribed volume, usually 3-4 liters, along with additional clear liquids to prevent dehydration.
Who should not take Colyte?
Avoid Colyte if you have bowel obstruction, toxic megacolon, perforated intestine, severe dehydration, or kidney disease. Consult a doctor if pregnant, on diuretics, or have electrolyte imbalances.
What is the Colyte solution for colonoscopy?
Colyte is a polyethylene glycol (PEG) electrolyte solution used for bowel cleansing before a colonoscopy. It flushes out the colon by drawing water into the intestines, causing frequent bowel movements.
How much water should I drink with polyethylene glycol 3350?
Drink an 8-oz glass of bowel preparation every 15 minutes until a half gallon is consumed. You may continue to drink clear liquids only until midnight.
When is the best time to take laxatives, morning or night?
It depends on the purpose. For occasional constipation, take at night for results by morning. For colonoscopy prep, follow your doctor’s schedule, usually evening and early morning.