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- What are PEG and electrolytes?
- What are examples of PEG and electrolytes available in the United States?
- What are the side effects of PEG and electrolytes?
- What drugs interact with PEG and electrolytes?
- What formulations of PEG and electrolytes are available?
- What about taking PEG and electrolytes during pregnancy or while breastfeeding?
What are PEG and electrolytes?
PEG and electrolytes are oral solutions used prior to colonoscopy and other examinations or procedures to cleanse the intestines, in particular, the large bowel or colon. The PEG remains in the intestines where it retains water by producing an osmotic effect. This causes a watery stool, in fact, diarrhea, which rapidly cleanses the bowel within hours. Polyethylene 3350 is used in all of the formulations. Since electrolytes (sodium, potassium, etc.) are lost with diarrhea, electrolytes are added to the PEG to replace or prevent the losses. The electrolytes and their concentrations may vary from product-to-product. PEG and electrolyte containing products are mixed with water and drunk for the cleanse.
What are examples of PEG and electrolytes available in the United States?
Examples of PEG and electrolytes brand names are:
- peg/electrolyte (Colyte)
- peg/electrolyte (Gavilyte-C)
- peg/electrolyte (Golytely)
- peg/electrolyte (Nulytely)
- polyethylene glycol 3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate, and ascorbic acid oral solution (Moviprep)
- peg-3350, sodium chloride, sodium bicarbonate and potassium chloride for oral solution (Trilyte)
What are the side effects of PEG and electrolytes?
Side effects of PEG and electrolytes are:
What formulations of PEG and electrolytes are available?
PEG and electrolytes are available as oral powder for solution.
- Colyte, Golytely, and Gavilyte contain polyethylene glycol 3350, sodium chloride, potassium chloride, sodium bicarbonate, and sodium sulfate.
- Moviprep contains polyethylene glycol 3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate and ascorbic acid.
- Nulytely contains polyethylene glycol 3350, sodium chloride, sodium bicarbonate and potassium chloride.
- Trilyte contains polyethylene glycol 3350, sodium chloride, sodium bicarbonate and potassium chloride.
- Colyte, Nulytely and Trilyte are available with flavor packs.
What about taking PEG and electrolytes during pregnancy or while breastfeeding?
The FDA classifies PEG and electrolytes as pregnancy category C, which means that there is no evidence of safe and effective use of PEG and electrolytes for pregnant women. PEG and electrolytes should be given to pregnant women only if clearly needed.
It is not known whether PEG and electrolytes enter breast milk; therefore, PEG and electrolytes must be used with caution in mothers who are breastfeeding.
Polyethylene glycol (PEG) and electrolytes are oral solutions prescribed to a patient by a health-care professional prior to colonoscopy and other examinations or procedures to cleanse the intestines, the colon (the large bowel) in particular. Side effects, drug interactions, brand names, formulations, and pregnancy and breastfeeding safety information should be reviewed prior to using this product.
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