PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays. It is a laxative that works by drawing large amounts of water into the colon. This effect results in watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.
How to use Gavilyte-C
Some brands of this product come with a Medication Guide. If available, read the Medication Guide provided by your pharmacist before you start taking this product. If you have any questions, ask your doctor or pharmacist.
Follow any special diet instructions provided by your doctor. Do not eat solid food, usually starting on the day before your procedure until after your procedure, as directed by your doctor.
This product must be mixed with water as directed before use. Read and follow all directions with the product package to mix this product. After mixing, place the container in the refrigerator until ready to drink. Chilling the mixed liquid will improve its taste. Do not mix with other flavorings/liquids. Do not drink with ice.
Drink one 8-ounce glass (240 milliliters) of the mixture every 10 minutes until your watery stool is clear and has no solid matter. Most people need to drink 3 to 4 liters of solution, or take as directed by your doctor. It is best to drink the mixed liquid quickly instead of sipping slowly. Ask your doctor or pharmacist if you have any questions about how to mix or take this product or what to expect after taking this product.
Watery bowel movements usually begin within 1 hour after you start to drink the mixed liquid. Drink plenty of clear liquids as directed by your doctor to prevent losing too much body water (become dehydrated).
Do not take any other medications by mouth within 1 hour of starting to drink the mixed liquid because your body may not absorb the other medications. Ask your doctor or pharmacist if you are not sure when to take your other medications.
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 persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: vomit that is bloody or looks like coffee grounds, chest pain, fainting, fast/irregular heartbeat, sudden shortness of breath, severe or persistent stomach/abdominal pain, bloody stools, rectal bleeding, seizure, signs of kidney problems (such as change in the amount of urine).
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking electrolyte with PEG, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: certain stomach/intestinal problems (such as toxic colitis, obstruction), severe ulcers/swelling of the colon (ulcerative colitis), trouble swallowing (such as poor gag reflex, aspiration), history of vomiting easily/often, heart problems (such as heart failure, irregular heartbeat, QT prolongation in the EKG), kidney problems, seizure disorder, mineral imbalances (such as low level of sodium in the blood).
Special caution should be taken if this medication is given to an unconscious or partly conscious person.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Children may be more sensitive to the side effects of this drug, especially dehydration. Room temperature solution is better for infants. Children younger than 2 years may be more likely to develop low blood sugar from not eating. Get medical help right away if you notice symptoms of low blood sugar in your child, such as shakiness, unusual sleepiness, abnormal/prolonged crying.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
See also How to Use section.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Store the unmixed powder at room temperature away from light and moisture. Do not store in the bathroom. After mixing the solution, store it in the refrigerator and use within 48 hours. Discard any unused mixture. Keep all medications away from children and pets.
Different products may have different storage needs. Refer tostorage information printed on the package. If you have any questions about storage, ask your pharmacist.
If your doctor has prescribed this product for constipation, keep the mixed solution in the refrigerator. Do not keep mixed solution longer than 30 days.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.Information last revised July 2016. Copyright(c) 2016 First Databank, Inc.
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