USES: This combination form of sodium phosphate is used to clean out the bowels/intestines (colon) before a medical exam (colonoscopy). When taken as directed before the colonoscopy, the doctor can perform the exam (see the colon) more effectively.
HOW TO USE: Ask your doctor or pharmacist how to use this medication correctly and follow all instructions carefully. Take this medication by mouth exactly as directed usually beginning the evening before your colonoscopy. Take each of the doses of this medicine with a full glass (8 oz or 240 ml) of water; or take as directed by your doctor. Do not eat for at least 12 hours prior to taking this medication. Drink only clear liquids. Consult your doctor or pharmacist for more information. Do not take any other laxatives, phosphate-containing products, or use enemas while taking this medication. Doing so may increase your risk for serious side effects.
SIDE EFFECTS: Diarrhea is an expected effect of this medication. However, nausea, vomiting, stomach/abdominal pain/bloating, dizziness, or headache may also occur. If any of these effects persist or worsen, notify your doctor promptly. Tell your doctor immediately if any of these serious side effects occur: blood in the stool, dark (black) stool, muscle cramps. Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: dizziness, fainting, irregular heartbeat. Some undigested or partially digested pieces of tablet(s) may appear in your stool/diarrhea. This is harmless. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: This medication is not recommended for use if you have the following medical conditions: certain heart problems (e.g., heart failure, unstable angina), intestinal disorders (e.g., acute colitis, chronic constipation, ileus, obstructions), fluid/swelling of the stomach/abdomen (ascites), conditions that can cause slowing of the intestines (e.g., hypothyroidism, scleroderma). Tell your doctor your medical history, especially of: kidney problems, other heart problems (e.g., arrhythmias, heart attack, recent heart surgery), dehydration or blood/fluid problems (e.g., electrolytes problems such as low sodium, potassium, or calcium; or high phosphate levels), inflammatory bowel disease, any allergies. Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known whether this drug passes into breast milk. Because of the potential risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription medication you may use, especially: other laxatives or enemas, "water pills" (e.g., diuretics such as furosemide or hydrochlorothiazide). Report other drugs which affect the heart rhythm (QTc prolongation), such as: dofetilide, pimozide, sotalol, quinidine, procainamide, sparfloxacin. Ask your doctor or pharmacist for more details. Do not start or stop any medicine without doctor or pharmacist approval.
OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: severe diarrhea, lightheadedness, severe muscle cramps.
NOTES: Do not share this medication with others. Laboratory and/or medical tests may be performed to monitor your progress.
MISSED DOSE: Not applicable.
STORAGE: Store at room temperature between 56 and 86 degrees F (13 to 30 degrees C) away from light and moisture.
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