Prescription Drug Coverage

Thorazine (Chlorpromazine) Medicare Coverage

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

Brand name: Thorazine

Typical dosage: 25mg

Typical type: Tablet1

Thorazine is a medication used to treat a variety of different disorders including bipolar disorder, chronic hiccups and more. Thorazine is available only as a generic drug (Chlorpromazine) and comes as an oral tablet and oral liquid.

Thorazine is a medication that contains the active ingredient Chlorpromazine.

Thorazine is used to treat a variety of conditions including the following: behavioral problems, bipolar disorder, chronic hiccups, hyperactivity, nausea and/or vomiting, porphyria, schizophrenia, restlessness prior to surgery and tetanus.

Common side effects of Thorazine include constipation, dry mouth, drowsiness, stuffy nose and upset stomach.

How much does Chlorpromazine cost with Medicare?

Chlorpromazine 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 Chlorpromazine?

According to GoodRx, 100% of Medicare Advantage plans and Medicare Part D plans covered Chlorpromazine, the generic form of Thorazine, in 2023.1

  • Medicare Advantage plans or Part D plans that cover Chlorpromazine 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 Chlorpromazine. 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

Thorazine can be taken with or without food. Drink a lot of liquids throughout the day while taking Thorazine.

If you take Thorazine regularly, don’t stop taking it suddenly as you can experience withdrawal. Talk to your doctor about the appropriate steps to stop taking this medication if you wish to do so.

Thorazine can sometimes lead to a condition called neuroleptic malignant syndrome. Signs of this condition include muscle cramps or stiffness, dizziness, headache, fever, confusion, fast or abnormal heartbeat or excessive sweating.

Thorazine should not be used to treat dementia symptoms in older adults, as it can increase the risk of death due to heart disease or infection.

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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. Thorazine. Retrieved October 2023, from

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