Generic name: polyethylene glycol electrolyte solution (pall ee ETH il een GLYE kol ee LEK troe lyte)
Brand name: Colyte with Flavor Packs, GaviLyte-C, GoLYTELY, MoviPrep, NuLYTELY Orange, NuLYTELY with Flavor Packs, PEG-3350 with Electolytes, Plenvu, TriLyte with Flavor Packs
Drug class: Laxatives
What is GaviLyte-C?
GaviLyte-C is a laxative solution that stimulates bowel movements. This medication also contains minerals to replace electrolytes that are passed from the body in the stool.
GaviLyte-C is used to clean the bowel before colonoscopy, a barium x-ray, or other intestinal procedures.
GaviLyte-C may also be used for purposes not listed in this medication guide.
Do not use GaviLyte-C if you have a perforated bowel, a bowel obstruction or severe constipation, or colitis or toxic megacolon. GaviLyte-C can cause dangerous or life-threatening side effects in people with these conditions.
Before taking this medicine
You should not use this medicine if you are allergic to polyethylene glycol or any other electrolyte solutions (such as Pedialyte or Gatorade), or if you have:
a perforated bowel;
a bowel obstruction or severe constipation; or
colitis or toxic megacolon.
GaviLyte-C can cause dangerous or life-threatening side effects in people with these conditions.
People with eating disorders (such as anorexia or bulimia) should not use this medicine without the advice of a doctor.
Tell your doctor if you have ever had:
heart problems, or a heart attack;
an electrolyte imbalance (such as low levels of potassium or sodium in your blood);
trouble swallowing, aspiration (accidentally inhaling food or drink);
a genetic enzyme deficiency called glucose-6-phosphate dehydrogenase (G6PD) deficiency; or
a drug or alcohol addiction.
Tell your doctor if you are pregnant or breast-feeding.
This medicine may contain phenylalanine. Talk to your doctor before using if you have phenylketonuria (PKU).
How should I take GaviLyte-C?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Polyethylene glycol electrolyte powder must be mixed with water into a solution before using it. Do not add any flavorings such as sugar, honey, artificial sweetener, fruit juices, or other beverages.
Shake the mixture well just before you measure a dose. Drink GaviLyte-C in the exact portions at the exact time intervals prescribed by your doctor.
This medicine comes with instructions about when and what to eat or drink on your first day of treatment. Each brand may have different instructions.
Do not drink GaviLyte-C if it has been less than 1 hour since you last ate solid food. For best results, take the medicine 2 to 4 hours after you last ate.
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. Avoid foods and beverages that contain pulp or are red or purple in color. You may also eat popsicles (not fruit bars or fudge bars) or gelatin without fruit pieces or toppings.
Do not eat or drink anything within 2 hours before your colonoscopy or other medical test.
Store the unmixed powder at room temperature away from moisture and heat.
Store the mixed solution in a refrigerator in an upright position.
Throw away any GaviLyte-C you have not used within 24 to 48 hours after it was mixed (follow directions for your specific brand of this medicine).
What happens if I miss a dose?
Talk to your doctor if you cannot drink all of the solution prescribed for you. Your test or procedure may need to be rescheduled if your bowel is not completely cleansed.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking GaviLyte-C?
Avoid taking other medications, vitamins, or mineral supplements within 1 hour before drinking GaviLyte-C. A bowel cleansing can make it harder for your body to absorb other medicines you take by mouth.
Do not use other laxatives while using GaviLyte-C unless your doctor has told you to.
GaviLyte-C side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
no bowel movement within 2 hours after use;
dizziness, feeling like you might pass out;
little or no urination;
a seizure; or
signs of an electrolyte imbalance--increased thirst or urination, dry mouth, confusion, constipation, muscle pain or weakness, leg cramps, irregular heartbeats, tingly feeling.
You may need to drink the liquid more slowly, or stop using it for a short time if you have certain side effects. Call your doctor for instructions if you have:
gagging, choking, severe stomach pain or bloating;
Common side effects may include:
vomiting, stomach pain, indigestion, bloating;
rectal pain or irritation;
hunger, thirst, mild nausea;
trouble sleeping; or
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.
What other drugs will affect GaviLyte-C?
Tell your doctor about all your other medicines, especially:
heart or blood pressure medication;
a diuretic or "water pill";
medications to treat kidney problems or low sodium levels (hyponatremia);
seizure medication; or
More about GaviLyte-C (polyethylene glycol 3350 with electrolytes)
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Pricing & Coupons
- En Español
- 9 Reviews
- Drug class: laxatives
Related treatment guides
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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