Gavilyte-G (polyethylene glycol 3350) is a prescription laxative with electrolytes that is prescribed to clean the colon prior to a colonoscopy or barium enema. Gavilyte-G includes electrolytes so that there is no net increase or decrease in electrolytes or water in the body. The retail price of Gavilyte-G is $64.80. However, you can use SingleCare's Gavilyte-G coupon to save money and pay only $14.14.
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SingleCare’s prescription prices are based on multiple sources. The prices we publish are our best estimate, but we cannot guarantee that the price we display will exactly match the price you receive at the pharmacy. For an exact price, please contact your pharmacy and provide the BIN/GRP/PCN numbers shown on your SingleCare card.
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Prices updated: 12/20/2025
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Gavilyte-G (polyethylene glycol 3350) is a prescription laxative with electrolytes that is prescribed to clean the colon prior to a colonoscopy or barium enema. Gavilyte-G includes electrolytes so that there is no net increase or decrease in electrolytes or water in the body. The retail price of Gavilyte-G is $64.80. However, you can use SingleCare's Gavilyte-G coupon to save money and pay only $14.14.
Our price history metrics are calculated from aggregate prescription data that we receive from all participating pharmacies. This chart updates daily to show new price fluctuations. If a data point is missing from the chart, it is because we do not have enough data to produce a reliable figure.
| Pharmacy | Gavilyte-G Retail Price | Peg-3350/Electrolytes Retail Price | Peg-3350/Electrolytes SingleCare Price |
|---|---|---|---|
| CVS Pharmacy | $40.00 | $40.00 | $40.00 |
| Walmart | $40.00 | $36.36 | $36.36 |
| Walgreens | - | - | - |
| Kroger Pharmacy | $40.00 | $80.00 | - |
| Albertsons Pharmacy | - | $40.00 | - |
These prices are based on the last month of SingleCare prescription fill data by major pharmacy. This table updates daily to show the most accurate typical prices by pharmacies. If a data point is missing from the table, it is because we do not have enough data to produce a reliable figure.
Gavilyte-G (polyethylene glycol 3350) is a prescription laxative with electrolytes that is prescribed to clean the colon prior to a colonoscopy or barium enema. Gavilyte-G includes electrolytes so that there is no net increase or decrease in electrolytes or water in the body. The retail price of Gavilyte-G is $64.80. However, you can use SingleCare's Gavilyte-G coupon to save money and pay only $14.14.
On average, uninsured customers can expect to pay $64.80 for a Gavilyte-G prescription. However, you could pay SingleCare’s lowest price of $14.14 per 1, 236gm of peg 3350/4000ml bottle with a Gavilyte-G coupon. Do you have other prescription drug needs? Enjoy as much as an 80% discount with SingleCare savings cards.
Gavilyte-G copays vary by insurance plan and the dose prescribed. With SingleCare, Gavilyte-G costs as little as $14.14 for 1, 236gm of peg 3350/4000ml bottle, which may be lower than your insurance copay. Before you overpay for Gavilyte-G, ask your local pharmacist to compare your insurance copay to the SingleCare discount card.
Gavilyte-G is usually covered by Medicare Advantage and Medicare Part D prescription drug plans. For others, a SingleCare Gavilyte-G coupon offers significant savings at major participating pharmacies like CVS, Target, Walgreens, and many others.
Gavilyte-G is a branded generic non-prescription colon lavage product with PEG-3350 and electrolytes. Other versions of GaviLyte include Gavilyte-C and Gavilyte-N. Alternative brand-name prescription colon cleansers with PEG-3350 include GoLYTELY, NuLYTELY, Colyte, and MoviPrep. You can find these prescription drugs on the SingleCare website or app for more information or free savings coupons.
Gavilyte-G is a prescription colon cleanser prescribed to patients clear the colon prior to a colonoscopy or barium enema. The active ingredient in Gavilyte-G, polyethylene glycol 3350 (or PEG-3350), is an osmotic laxative that draws water into the colon. Gavilyte-G is taken every ten minutes with plenty of fluids until the only fecal discharge is clear water, at which point it is discontinued.
Gavilyte-G also includes electrolytes (sodium chloride, potassium chloride, sodium bicarbonate, and sodium sulfate) to ensure that there is no net loss or gain of electrolytes or water in the body.
Gavilyte-G is taken orally as a powder mixed with water.
Common side effects of Gavilyte-G include but are not limited to, nausea, gas, bloating, fullness, stomach cramps, vomiting, and anal irritation. The most serious side effects are extreme abdominal pain, gastrointestinal bleeding, esophageal perforation, and pulmonary edema. Gavilyte-G allergies are rare. Allergic reactions include skin rashes, itching, wheezing, shortness of breath, and hives. This is not a complete list of possible side effects.
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