Side Effects of GaviLyte-G (PEG-3350, sodium sulfate, sodium bicarbonate, sodium chloride and potassium chloride), Warnings, Uses (2023)

GaviLyte-G Side Effects Center

What Is GaviLyte-G?

GaviLyte-G (PEG-3350, sodium sulfate, sodium bicarbonate, sodium chloride and potassium chloride) is a combination of an osmotic laxative and electrolytes indicated for bowel cleansing prior to colonoscopy and barium enema X-ray examination.

(Video) MY COLONOSCOPY PREP & After The Procedure

GaviLyte-G is the generic of GoLytely.

What Are Side Effects of GaviLyte-G?

Common side effects of GaviLyte-G include:

  • nausea,
  • abdominal fullness,
  • bloating,
  • abdominal cramps,
  • vomiting, and
  • anal irritation.

Seek medical care or call 911 at once if you have the following serious side effects:

(Video) Mixing & Drinking Colonoscopy Solution TriLyte PEG-3350

  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheartedness, or passing out;
  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for GaviLyte-G

The recommended oral adult dose is 4 liters of GaviLyte-G solution prior to gastrointestinal examination. No solid food should be consumed 3-4 hours before drinking the solution.

What Drugs, Substances, or Supplements Interact with GaviLyte-G?

GaviLyte-G may interact with oral medication administered within one hour of the start of administration of GaviLyte-G solution, antacids, medicines for blood pressure or heart problems, medicines for kidney problems, medicines for depression, water pills (diuretics), nonsteroidal anti-inflammatory medicines (NSAIDs), or laxatives. Tell your doctor all medications and supplements you use.


GaviLyte-G During Pregnancy or Breastfeeding

Tell your doctor if you are pregnant or plan to become pregnant before using GaviLyte-G; it is unknown if it will affect a fetus. It is unknown if GaviLyte-G passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

GaviLyte-G (PEG-3350, sodium sulfate, sodium bicarbonate, sodium chloride and potassium chloride) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

(Video) Peg 3350 Polyethylene Glycol Miralax Colonoscopy & Colonography CT Prep Tips Flavor Suprep.

(Video) Preparing For Your Colonoscopy
Side Effects of GaviLyte-G (PEG-3350, sodium sulfate, sodium bicarbonate, sodium chloride and potassium chloride), Warnings, Uses (1)


Health Screening Tests Every Woman Needs See Slideshow

© GaviLyte-G Patient Information is supplied by Cerner Multum, Inc. and GaviLyte-G Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.


What to expect after drinking GaviLyte? ›

Nausea, bloating, or feelings of fullness in the stomach/abdomen are very common. Stomach/abdominal cramps, vomiting, and anal irritation occur less often. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

What are the dangers of polyethylene glycol? ›

Polyethylene glycol 3350 may cause an allergic reaction in some people. Signs of an allergic reaction can include itching, rash, or hives. More serious signs include swelling of the face, trouble breathing, and vomiting. If you notice any serious signs of an allergic reaction, seek emergency care.

What information should the nurse include about the possible side effects of GoLYTELY? ›

The most common side effects of GoLytely include:
  • nausea.
  • stomach (abdominal) cramps.
  • anal irritation.
  • stomach (abdominal) fullness.
  • vomiting.
  • esophageal bleeding.
  • bloating.
  • chest x-ray that shows water in the lungs (infiltrate) after vomiting or inhaling food or liquid (aspirate).

Can you get sick from colonoscopy prep? ›

Side effects of some preps include nausea, abdominal pain, bloating, vomiting, thirst, dizziness, and dehydration. If you feel nauseous or vomit, take a 30 minute break, rinse your mouth, and then continue drinking your prep.

Why does colonoscopy prep make you feel sick? ›

The nausea usually occurs because the stomach is still full and the laxative is slow to work. Take a break from drinking liquids and prep. Get up and walk around.

How many times do you poop after colonoscopy prep? ›

bowels at least 10-15 times. By the end of your prep, your stool should become a clear, yellow-tinged fluid. scheduled, but then nothing by mouth after that.

How long do you poop after finishing colonoscopy prep? ›

What should I do? Bowel movements usually start within two to three hours after taking the prep, but can take longer. If you have not had a bowel movement within three hours of drinking your prep, you may need an extra laxative.

How long does GaviLyte make you poop? ›

Drink 240 mL (8 oz.) every 10 minutes. Rapid drinking of each portion is better than drinking small amounts. The first bowel movement should occur approximately one hour after you start drinking the solution.

Who should not take polyethylene glycol? ›

PEG is contraindicated in patients with known or suspected bowel obstruction, appendicitis, inflamed bowel disease, perforated bowel, and hypersensitivity to polyethylene glycol, any component of the formulation.

What are the dangers of propylene glycol? ›

Contact can irritate the skin and eyes. ► Propylene Glycol can cause nausea and vomiting. ► Exposure can cause headache, dizziness, lightheadedness, and passing out.

What does glycol do to your lungs? ›


Exposure to very high levels of ethylene glycol vapors causes irritation of mucous membranes and the upper respiratory tract. Exposure to levels of ethylene glycol concentrations higher than 80 ppm results in intolerable respiratory discomfort and cough.

What to watch out for after a colonoscopy? ›

If you have any of the following symptoms after a colonoscopy, seek medical care right away:
  • severe pain in your abdomen.
  • fever.
  • bloody bowel movements that do not get better.
  • bleeding from the anus that does not stop.
  • dizziness.
  • weakness.

How long does it take for GoLYTELY to go through your system? ›

Most of the fluid will move through your system in about 1 hour. The solution will cause you to have many liquid bowel movements, so stay close to toilet facilities.

What are the most common complications of colonoscopy? ›

Post-Colonoscopy Complications
  • Severe pain or cramping in your belly.
  • A hard belly.
  • Trouble passing gas or pooping.
  • Fever.
  • Dizziness.
  • Vomiting.
  • Frequent or severely bloody bowel movements.
  • Rectal bleeding that won't stop, or bleeding more than a couple of tablespoons.
Mar 1, 2022

Will I be pooping all night after colonoscopy prep? ›

Will a colonoscopy prep keep you up all night? It may, but it doesn't usually. You make wake up once or twice to go to the bathroom, but it shouldn't keep you up all night. Depending on your doctor's instructions, you may need to wake in the middle of the night to take a second dose of laxatives.

Will I be up all night after colonoscopy prep? ›

Will I be up all night with colonoscopy prep? Probably not, if you start on time. While everyone's body is different, most people are able to complete their round of purging before going to sleep for the night.

Can you drink colonoscopy prep too fast? ›

After your nausea has decreased or stopped, you can start the bowel prep again, but you should drink it at a slower rate. Sometimes, drinking too much, too quickly is too much for your system to handle. Another tip is to make sure the prep is chilled. It helps to refrigerate the liquid prep.

How much weight is lost prepping for colonoscopy? ›

A loss of around 3 pounds. The fasting experience wasn't too bad. The water, broth, Jell-O, and laxatives actually made me feel pretty full so I didn't have any real hunger pangs but I did miss being able to indulge when I wanted. I was hungry the morning of the procedure but it wasn't unbearable.

What happens if you don't drink all of the colonoscopy prep? ›

If you can't finish the bowel prep, let the doctor's office know. Better to cancel and reschedule the appointment than to have an incomplete colonoscopy because your colon wasn't empty.

What happens if you can't drink all your colonoscopy prep? ›

If you are struggling to drink your colonoscopy prep without throwing up, survivors recommend drinking the laxative cold – and through a straw – for the most pleasant experience.

What flavor of Gatorade is best for colonoscopy prep? ›

64 oz bottle of Gatorade, Powerade or Propel that are light in color. Lemon-lime is preferred. AVOID red, purple, blue or green varieties.

How do you know if your colon is empty? ›

Signs Your Colon is Clear

The morning of your exam if you are still passing brown liquid with solid material mixed in, your colon may not be ready and you should contact your doctor's office. Passing mostly clear or only a light color, including yellow, is a sign your colon is clean enough for an accurate examination.

How do I know my bowels are empty after colonoscopy prep? ›

Your stool after finishing your bowel prep agent can act as a guide. Your stool should be clear, yellow, light and liquid. The presence of dark particles or thick brown or black stool means you are not ready for colonoscopy.

How many hours of diarrhea after colonoscopy prep? ›

What are the effects of the “bowel prep?” You will have lots of diarrhea from the bowel prep. This will start anywhere from a few minutes to 3 hours after you start your prep. Many people have bloating, abdominal discomfort, and/or nausea.

What is the newest colonoscopy prep? ›

SUTAB includes 24 tablets that must be taken before the colonoscopy. You must split it up into two doses of 12 tablets each. You start by taking 12 tablets the evening before the colonoscopy. The morning of the colonoscopy, you must complete the second dose of 12 tablets.

Is it better to have a colonoscopy in the morning or afternoon? ›

Colonoscopies performed in the afternoon (PM) have been shown to have lower adenoma detection rates (ADR) compared to those in the morning (AM). Endoscopist fatigue has been suggested as a possible reason. Colonoscopies tend to be technically more challenging in female patients.

How long will I poop after taking GaviLyte? ›

The first watery stool should appear within 1 hour after you start drinking GaviLyte-C. Keep taking the medicine until you have completed all doses prescribed by your doctor. Drink plenty of clear liquids (water, broth, black coffee, tea, clear soda) before, during, and after you take this medicine.

What colonoscopy prep has the least side effects? ›

Bowel preps that combine an osmotic laxative with another type, including MiraLAX, Halflytely and Prepopik, may be better tolerated with fewer side effects.

How long do colonoscopy prep side effects last? ›

It's normal to feel bloated and gassy after the procedure; abdominal cramping may also occur. You'll be encouraged to pass gas to help reduce bloating. You may pass liquid and/or liquid stool after your colonoscopy but, within one to five days, your bowel movements should return to normal.

How long does it take to finish GaviLyte? ›

It should take about 2 hours to finish the Gavilyte/Colyte solution. Begin drinking 1/2 gallon (64 ounces) of Gavilyte/Colyte. Drink 8 ounces every 15 to 30 minutes. Keep drinking clear liquids until bedtime.


1. Preparing for a Colonoscopy
(Dartmouth Health)
2. Colorectal Cancer Detection with Dr. Lester Bowser
(MedStar Health)
3. Screening for Colorectal Cancer
(MedStar Health)
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