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Sodium Phosphates


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    Related terms
    • Brand Names: U.S.: Fleet® Enema Extra® [OTC];Fleet® Enema [OTC];Fleet® Pedia-LaxT Enema [OTC];LaCrosse Complete [OTC];OsmoPrep®;Visicol®
    • Brand Names: Canada: Fleet Enema®

    • It is used as a laxative to clean out the colon before an exam.
    • It is used to stop or treat low phosphate levels.
    • It is used to treat hard stools (constipation).
    • As a laxative, sodium phosphate pulls water into the small bowel.
    • It is a source of phosphate for the body.


    How to take

    • Bowel exams:
    • Follow what your doctor has told you to do.
    • Drink clear liquids for 12 hours before starting this drug.
    • Take with a full glass of water.
    • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
    • Hard stools (constipation):
    • Take on an empty stomach.
    • There is a liquid (solution) if you cannot swallow pills.
    • Those who have feeding tubes may also use the liquid. Flush the feeding tube before and after this drug is given.
    • Mix dose with 1 cup of cool water.
    • Take with a full glass of water.
    • Do not take more doses for at least 24 hours.
    • Use enema rectally.
    • Shot:
    • It is given as a shot into a vein over a period of time.

    Missed Dose

    • Many times this drug is taken on an as needed basis.
    • Do not take 2 doses at the same time or extra doses.
    • If you are using this drug before an exam, take a missed dose as soon as you think about it.


    • Store at room temperature.
    • Protect tablets from water. Do not store in a bathroom or kitchen.
    • Shot:
    • The shot will be given to you in a hospital or doctor's office. You will not store it at home.



    • Oral solution or tablets taken before a colon exam may raise your chance of long-lasting kidney disease. Talk with your doctor.
    • Please read the medication guide.


    • If you have an allergy to sodium phosphates or any other part of this drug.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
    • Oral:
    • If you are on a low-salt or salt-free diet.
    • If you have any of these health problems: A large colon or bowel block.
    • Shot:
    • If you have high phosphate levels, low calcium levels, or high sodium levels.
    • Rectal:
    • If you have any of these health problems: A large colon, fluid in the belly, GI (gastrointestinal) block, very bad kidney disease, or a weak heart.


    • This drug may be habit-forming with long-term use.
    • If you have a bowel disease such as Crohn's disease or ulcerative colitis, talk with your doctor.
    • If you have heart disease, talk with your doctor.
    • If you have kidney disease, talk with your doctor.
    • If you have seizures, talk with your doctor.
    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Do not take other drugs right after this tablet.
    • Drugs taken after using the tablets may not get into your body.
    • Do not take antacids that have magnesium or aluminum or sucralfate with the oral drug.
    • Use care if you have had a recent heart attack (within 3 months) or heart surgery.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Side Effects

    • Parts of the tablet in the stool.
    • Feeling dizzy. Rise slowly over a few minutes when sitting or lying down. Be careful climbing.
    • Headache.
    • Belly pain.
    • Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Loose stools (diarrhea).
    • Low blood pressure.
    • Harm to the kidneys may rarely happen.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Chest pain or pressure or a fast heartbeat.
    • Very bad dizziness or passing out.
    • Trouble breathing.
    • Feeling very tired or weak.
    • If liquid drug does not come out after rectal use.
    • Very loose stools (diarrhea).
    • Any bruising or bleeding.
    • Very upset stomach or throwing up.
    • Very bad swelling or pain of hands or feet.
    • Not able to pass urine.
    • Any rash.
    • Side effect or health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2013 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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