Generic Name: bisacodyl and polyethylene glycol (PEG) 3350 with electrolytes (bis a KOE dil and pol ee ETH il een GLYE kol)Brand Names: Half Lytely and Bisacodyl Lemon Lime, HalfLytely and Bisacodyl, HalfLytely and Bisacodyl with Flavor Packs
Bisacodyl and PEG-3350 is a laxative that stimulates bowel movements. This medication also contains potassium, sodium, and other minerals to replace electrolytes that are passed from the body in the stool.
Bisacodyl and PEG-3350 is used to clean the bowel before colonoscopy or other intestinal procedure.
Bisacodyl and PEG-3350 may also be used for other purposes not listed in this medication guide.What is the most important information I should know about bisacodyl and PEG-3350?On the day of your colonoscopy or bowel exam, do not eat solid food or drink anything other than clear liquids. Avoid drinking large amounts of water after taking this medication. You may be instructed not to drink or eat anything before your medical test or procedure. Follow your doctor's instructions about the type and amount of liquids you should drink for at least 24 hours before and after your test or procedure.
Avoid taking antacids within 1 hour before you take the bisacodyl tablets.Do not use other laxatives while using bisacodyl and PEG-3350 unless your doctor has told you to.
Talk to your doctor if you cannot drink all of the medication prescribed for you. Your test or procedure may need to be rescheduled if your bowel is not completely cleansed.What should I discuss with my health care provider before taking bisacodyl and PEG-3350?Do not use this medication if you are allergic to:
bisacodyl (Bisac-Evac, Carter's Little Pills, Dulcolax, Fleet, and others);
polyethylene glycol (GlycoLax, MiraLax); or
any other electrolyte solutions (such as Pedialyte or Gatorade).
People with eating disorders (such as anorexia or bulimia) should not use this medication without the advice of a doctor.
Before taking bisacodyl and PEG-3350, tell your doctor if you are allergic to any drugs, or if you have:
nausea, vomiting, or trouble swallowing;
a history of bowel obstruction, diverticulitis, ulcerative colitis, or other chronic bowel disease; or
if you are taking a diuretic ("water pill").
If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether bisacodyl and PEG-3350 passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby. Do not give this medicine to a child unless your doctor has told you to.
Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.
This medicine comes in a kit containing 4 bisacodyl delayed-release tablets and a bottle of PEG-3350 with electrolytes in powder form. You will take the bisacodyl tablets first and then wait to have a bowel movement. Once you have a bowel movement, you will start using the PEG-3350 solution over a period of about 90 minutes.
Bisacodyl delayed-release tablets:Do not crush, chew, or break the bisacodyl delayed-release tablets. Swallow all 4 of the bisacodyl tablets whole with a glass of water. Delayed-release tablets are specially made to release medicine slowly in the body. Breaking the pill would cause too much of the drug to be released at one time.
You should have a bowel movement within 1 to 6 hours after taking the bisacodyl tablets. After your first bowel movement, start using the PEG-3350 and electrolyte solution.
Polyethylene glycol 3350 and electrolyte solution:
The PEG-3350 and electrolyte powder must be mixed with water before you take it. Fill the container with water up to the 2-liter mark. Place the cap on the bottle and shake it until the powder is completely dissolved.
A variety of flavor packs are provided with the PEG-3350 powder. Use only one pack to add flavor to the solution. You may also prepare the solution without a flavor pack. Do not add any extra flavorings such as sugar, honey, artificial sweetener, fruit juices, or other beverages.Shake the liquid well just before you measure each dose. The usual dose of PEG-3350 solution is 8 ounces every 10 minutes. Drink the solution in the exact portions at the exact time intervals prescribed by your doctor.
Drink each portion as quickly as possible, rather than sipping it slowly. The first watery stool should appear within 1 hour after you start drinking the PEG-3350 and electrolyte solution.You may store the mixed solution in a refrigerator but you must use it within 48 hours after mixing. Throw away any PEG-3350 solution you have not used within 48 hours after it was mixed.
PEG-3350 will produce watery diarrhea. Keep drinking the solution until you have consumed all 2 liters.On the day of your colonoscopy or bowel exam, do not eat solid food or drink anything other than clear liquids. You may be instructed not to drink or eat anything before your medical test or procedure. Follow your doctor's instructions about the type and amount of liquids you should drink for at least 24 hours before and after your test or procedure.
Talk to your doctor if you cannot drink all of the medication prescribed for you. Your test or procedure may need to be rescheduled if your bowel is not completely cleansed.
An overdose of bisacodyl and PG-3350 is not expected to produce life-threatening symptoms.
Avoid taking antacids within 1 hour before you take the bisacodyl tablets.
Avoid taking other medications, vitamins, or mineral supplements within 1 hour before drinking the PEG-3350 electrolyte solution. Any medications you take just before a bowel cleansing will not be properly absorbed into your body.Do not use other laxatives while using bisacodyl and PEG-3350 unless your doctor has told you to.
severe nausea, stomach pain or bloating;
coughing up blood or vomit that looks like coffee grounds;
no bowel movement within 6 hours after use; or
gagging, choking, or vomiting.
Some of these side effects may be prevented by drinking the medication more slowly, or not using it for a short time. Follow your doctor's instructions.
Less serious side effects may include:
mild nausea or vomiting;
stomach cramps, bloating, or full feeling;
rectal pain or irritation;
passing gas; or
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.Bisacodyl and polyethylene glycol (PEG) 3350 with electrolytes Dosing Information
Usual Adult Dose for Bowel Preparation:
Bisacodyl 20 mg (4 tablets) orally once. Following first bowel movement, or 6 hours after ingestion of bisacodyl tablets, begin PEG-ELS 240 mL every 10 minutes until 2 liters is totally consumed.
Before taking this medication, tell your doctor if you are also taking a diuretic (water pill), or any heart or blood pressure medications.
There may be other drugs that can interact with bisacodyl and PEG-3350. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.