HOW TO USE: Read the Medication Guide provided by your pharmacist before you start taking this medication and each time you get a refill. If you have any questions, consult your doctor or pharmacist.Your doctor should tell you how long before the procedure you should take this product. Follow your doctor's directions closely. If you are uncertain about any of the information, consult your doctor or pharmacist.Follow any special dietary instructions given by your doctor. A period of not eating is usually recommended before you start taking this medication and lasting until after the colonoscopy. Only clear liquids (such as water, flavored water, lemonade with no pulp, ginger ale, apple juice) are allowed during this time. Do not drink any liquids colored purple or red.The evening before your colonoscopy, take 4 tablets with at least 8 ounces (240 milliliters) of clear liquid by mouth every 15 minutes or as directed by your doctor. Repeat this dose and the liquids every 15 minutes until you have taken 5 doses (20 tablets). The next day, start taking the medication 3-5 hours before the colonoscopy. Take 4 tablets every 15 minutes with liquids as directed until you have taken 3 doses (12 tablets).Dosage is based on your medical condition, procedure, and response to treatment. Do not use a higher dose or more often than directed by your doctor.Do not use any other laxative products (especially sodium phosphate) while taking this product or for 7 days after treatment is finished. Doing so may increase your risk for severe side effects.Watery bowel movements usually begin 1 hour after you start to take the tablets. The bowel movements can be very large and watery. Drink as many clear liquids as you can before, during, and after taking this medication so that you do not lose too much body water (become dehydrated). Doing so will help prevent serious side effects (such as kidney problems). Consult your doctor or pharmacist for more information.The watery bowel movements from sodium phosphate may decrease the absorption of your regular medicines. Consult your doctor or pharmacist about how to minimize this effect.Contact your doctor if you do not have a bowel movement within 3 hours after taking this medication.
SIDE EFFECTS: Nausea, vomiting, stomach/abdominal pain or bloating, dizziness, and headache may occur. 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.Persistent diarrhea or vomiting may result in a serious loss of body water (dehydration) and minerals. This may cause serious side effects to the kidneys and heart. Contact your doctor promptly if you notice any symptoms of dehydration, such as unusual decreased urination, unusual dry mouth/increased thirst, lack of tears, dizziness/lightheadedness, muscle weakness/cramping, or pale/wrinkled skin.Tell your doctor right away if you have any serious side effects, including: severe or persistent stomach/abdominal pain, black/bloody stools, rectal bleeding, mental/mood changes (such as confusion, unusual drowsiness).Get medical help right away if you have any very serious side effects, including: fast/irregular heartbeat, chest pain, fainting, seizures.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.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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