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Prescription Drug Coverage

Bentyl (Dicyclomine) Medicare Coverage

You may be able to find Medicare plan options in your area that cover Dicyclomine (generic Bentyl). Learn more about Bentyl and find Medicare Advantage plans in your area that cover other prescription drugs.
Chemical name: Dicyclomine

Brand name: Bentyl

Typical dosage: 20mg

Typical type: Tablet1

Bentyl is a medication used to treat irritable bowel syndrome. Bentyl is available as a brand name drug or as a generic and comes as an oral capsule, an injection, an oral liquid and an oral tablet.

Bentyl is a medication that contains the active ingredient Dicyclomine. Bentyl is used to treat abdominal pain associated with irritable bowel syndrome (IBS).

Bentyl blocks a chemical called acetylcholine in the muscles to decrease IBS pain. It can be taken up to 4 times daily, and some health care providers may recommend only taking it as needed.

Common side effects include dizziness, fatigue, blurred eyesight, upset stomach, nervousness, dry mouth, increased thirst, dry skin, insomnia and constipation.

Does Medicare cover Bentyl or Dicyclomine?

While some Medicare plans may not cover Bentyl, some Medicare Advantage plans and Medicare Part D plans may cover generic Dicyclomine.

  • Medicare Advantage plans that offer prescription drug coverage are called Medicare Advantage Prescription Drug Plans (MA-PD). Most Medicare Advantage beneficiaries (87 percent) are enrolled in MA-PDs.1

  • 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 Dicyclomine.

Find Medicare Advantage prescription drug plans.

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You can also compare Part D prescription drug plans available where you live and enroll in a Medicare prescription drug plan online when you visit

Average costs for Dicyclomine with Medicare drug coverage

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

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 $480 in 2022.
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.

Additional information

Irritable bowel syndrome is a chronic illness that affects the large intestine. Irritable bowel syndrome is usually associated with cramping, abdominal pain, bloating, gas, diarrhea or constipation.

IBS symptoms can sometimes be managed by diet changes and stress reduction, but pharmacologic treatment can help control symptoms.

Bentyl may make you sleepy. Make sure you know how Bentyl affects you before doing potentially dangerous activities like driving. 

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.