Colyte Lavage Prep (Electrolytes/peg) Shopper Approved

Prescription Prescription Required FormationFormulation: Liquid

Colyte Lavage Prep

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Prescription Prescription Required FormationFormulation: Liquid


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Colyte lavage prep is a colon cleansing preparation used to cleanse the bowel prior to a colonoscopy or other medical procedures. The preparation is typically a water-soluble solution composed of polyethylene glycol (PEG) and electrolytes that work to draw large amounts of water into the colon, resulting in watery bowel movements that clear stool from the intestines.

Use and Dosage

To use Colyte Lavage Prep liquid, you should follow the instructions provided by your doctor or the instructions on the product label carefully. Generally, Colyte is a bowel cleansing product used to cleanse the bowel prior to a colonoscopy. It comes as a powder mixed with water to form a solution consumed orally. Drink plenty of clear liquids as directed by your doctor to prevent dehydration.

The typical dosing schedule for Colyte involves drinking four liters (one gallon) of the solution. Thoroughly mix four liters of clear liquid with the Colyte powder and drink the mixed liquid according to the instructions provided. Usually, watery bowel movements begin within one hour after you start to drink the mixed liquid. You should continue drinking clear liquids after you have finished two liters of the prep until midnight.

Note that patient compliance with the necessary four liters of colon lavage fluid is essential for optimal bowel cleansing. Your doctor may also give you tips to make the colonoscopy prep more bearable. Consult your doctor or healthcare provider if you have any questions or concerns about using Colyte Lavage Prep liquid or any other bowel cleansing product.

Side Effects

Common Side Effects of Colyte Lavage Prep (Electrolytes/ Peg):

  • Bloating
  • Chills
  • Heartburn
  • Hunger
  • Nausea
  • Rectal irritation
  • Stomach pain, cramps, or fullness
  • Thirst
  • Weakness

Serious Side Effects of Colyte Lavage Prep (Electrolytes/ Peg):

  • Bleeding from rectum
  • Decreased urination
  • Difficulty breathing or swallowing
  • Dizziness
  • Headache
  • Hives
  • Irregular heartbeat
  • Itching
  • Rash
  • Seizures
  • Swelling of the eyes, face, mouth, lips, tongue, arms, hands, feet, ankles, or lower legs
  • Vomiting

Forms and Strength

Colyte Lavage Prep (Electrolytes/ Peg) is available in the following forms and strength:

Colyte Lavage Prep: Liquid

  • No dose


  • Use caution when prescribing Colyte for patients who have a history of allergies, particularly to any of the ingredients in the preparation.
  • Colyte may cause electrolyte imbalances or dehydration, especially in patients with certain conditions such as heart disease or kidney problems.
  • Use caution in patients with severe ulcerative colitis or toxic megacolon.
  • Elderly patients or patients with impaired renal function may be at increased risk for kidney problems after using Colyte.
  • Patients with a history of bowel obstructions, perforations, or adhesions should use Colyte with caution.
  • Use caution in patients with swallowing difficulties or in those at risk of aspiration.
  • Colyte may cause bloating, nausea, vomiting, or abdominal discomfort in some patients.
  • Use caution in patients with congestive heart failure as they may be at risk for fluid overload or electrolyte imbalances.
  • Patients with certain electrolyte imbalances (such as low potassium levels) should use Colyte with caution or under close medical supervision.
  • Use caution in patients with a history of seizures or at risk of seizures, as Colyte may lower the seizure threshold.

Frequently Asked Questions (FAQ)

How long does it take for Colyte lavage prep to work?

The effects of Colyte lavage prep usually start within two to three hours after taking it, although it can take longer for some patients.

Is Colyte lavage prep safe for everyone to use?

While Colyte lavage prep is considered safe, it may not be suitable for all patients. People with certain medical conditions or medications may need to use caution or avoid using Colyte.

How should Colyte lavage prep be stored?

Colyte should be stored at room temperature and away from light. It should not be frozen or refrigerated.


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Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Colyte Lavage Prep (Electrolytes/peg). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Colyte Lavage Prep (Electrolytes/peg).