Prescription Drug Coverage

Robaxin (Methocarbamol) Medicare Coverage

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

Brand name: Robaxin

Typical dosage: 500mg

Typical type: Tablet1

Robaxin is used to treat muscle spasms, muscle pain and stiffness. Robaxin is available as a brand name or generic and comes as an oral tablet.

Robaxin is medication that contains the active ingredient Methocarbamol. Robaxin is used to treat muscle spasms as well as muscle pain and stiffness.

Robaxin works in the brain to help relax muscles. It is typically taken 4 times daily by mouth or 3 times daily if you are using the injection form.

Side effects of taking Robaxin include upset stomach, vomiting, dizziness, drowsiness, headache, insomnia, stuffy nose and a metallic taste in your mouth. If you use the injection, you may notice pain where you gave yourself the shot.

How much does Methocarbamol cost with Medicare?

Methocarbamol coverage and costs may vary based on the specific plan you have, as well as what coverage stage you're in.

Contact your plan carrier or consult your plan formulary for more cost information.

Does Medicare cover Methocarbamol?

According to GoodRx, 69% of Medicare Advantage plans and Medicare Part D plans covered Methocarbamol, the generic form of Robaxin in 2023.1

  • Medicare Advantage plans or Part D plans that cover Methocarbamol include copay amounts that can range widely from one plan to another. Plan members may also be responsible for meeting a deductible before the plan’s drug coverage kicks in.

  • Medicare Advantage plans that offer prescription drug coverage are called Medicare Advantage Prescription Drug Plans (MA-PD). 89% of 2023 Medicare Advantage plans included prescription drug coverage.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 Methocarbamol. We represent carriers such as Humana, UnitedHealthcare®, Anthem Blue Cross and Blue Shield, Aetna, Cigna Healthcare, Wellcare, or Kaiser Permanente.

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

Additional information

If you are using the injectable form of Robaxin, do not use for more than 3 straight days.

Typically, Robaxin is used alongside physical therapy, pain medications, rest and other therapies. It may not be effective when used alone.

Robaxin can cause you to be dizzy or drowsy after you take it. Avoid doing activities that require your full attention, such as driving. Talk to your doctor before drinking alcohol or using other medications that slow your actions.

Do not take Robaxin if you are pregnant or planning to become pregnant.

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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.

1 GoodRx. Robaxin. Retrieved October 2023, from

2 Freed M, et al. (Nov 10, 2022). Medicare Advantage 2023 Spotlight: First Look. Kaiser Family Foundation.