Polyethylene Glycol 3350 Medicare Coverage

Polyethylene Glycol 3350
Chemical name: Polyethylene Glycol 3350

Typical dosage: 527g of 17g

Typical type: Powder1

Polyethylene Glycol 3350 is a medication used to treat occasional constipation. It is available as a powder to mix in liquid to drink.

Polyethylene Glycol 3350, called PEG, is a medication used to treat occasional constipation and is often used for preparation for a colonoscopy.

PEG causes water retention in your bowels to increase how often you go to the bathroom.

Common side effects of this medication include loose, watery or more frequent stools; stomach pain and cramps; gas, bloating and upset stomach.

Does Medicare cover Polyethylene Glycol 3350?

Yes! 100% of Medicare Advantage plans and Medicare Part D plans cover Polyethylene Glycol 3350.1

  • Medicare Advantage plans that offer prescription drug coverage are called Medicare Advantage Prescription Drug Plans (MA-PD). Most Medicare Advantage beneficiaries (88 percent) are enrolled in MA-PDs.2

  • Medicare prescription drugs plans each have their own formulary, or drug list, that details what prescription drugs are covered by the plan and how they are covered.

Drug coverage may vary based on plan availability. You may be able to find Medicare Advantage plan options in your area that cover Polyethylene Glycol 3350.

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Average costs for Polyethylene Glycol 3350 with Medicare drug coverage1

Your copay and deductible costs for any prescription drug can vary depending on what coverage stage you’re in.

Deductible stage Typical copay stage
Your deductible is the amount of money you must spend on covered drugs before your Medicare drug coverage starts paying its share of costs.

In the deductible stage, you’re responsible for the full cost of your prescription drugs.

Some Medicare prescription drug plans have a $0 deductible. Medicare drug plans cannot have a deductible more than $415 in 2019.
After you meet your Part D deductible, you enter the initial coverage period.

During this phase (the typical copay stage), you pay a copayment (flat fee) or coinsurance (percentage) for your covered medications.
Free – $30 Free – $30

Additional information

Unless your doctor tells you to, do not use this medication for more than 1 week.

The purpose of PEG is to help relieve the signs and symptoms of constipation, but call your doctor if you have very bad dizziness or diarrhea, bleeding from the rectum or rectal pain. Do not use other stool softeners or laxatives unless instructed to by your doctor.



This article is for informational purposes only. It is not healthcare advice, treatment, or diagnosis. It is not an endorsement of or recommendation for this medication. Speak to your doctor or healthcare provider about your specific healthcare needs, including your prescription medications. Only take medication as directed by your doctor.

Coverage and costs of prescription medications will vary by Medicare plan. Not all plans are available in all areas.


Written by Hayden Gharibyar, Pharm.D.

Copyright © 2019 TZ Insurance Solutions LLC. All rights reserved.

1 GoodRx. Polyethylene Glycol 3350. Retrieved May 2019, from www.goodrx.com/polyethylene-glycol-3350.

2 Jacobson, Gretchen; et al. A Dozen Facts About Medicare Advantage. (Nov. 13, 2018). Kaiser Family Foundation. Retrieved from www.kff.org/medicare/issue-brief/a-dozen-facts-about-medicare-advantage.

MedicareAdvantage.com is a website owned and operated by TZ Insurance Solutions LLC. TZ Insurance Solutions LLC and TruBridge, Inc. represent Medicare Advantage Organizations and Prescription Drug Plans having Medicare contracts; enrollment in any plan depends upon contract renewal.

Plan availability varies by region and state. For a complete list of available plans, please contact 1-800-MEDICARE (TTY users should call 1-877-486-2048), 24 hours a day/7 days a week or consult www.medicare.gov.

Medicare has neither reviewed nor endorsed this information.