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Prescription Drug Coverage

Losartan (Cozaar) Medicare Coverage

You may be able to find Medicare plan options in your area that cover Losartan or Cozaar. Learn more about Losartan and find Medicare Advantage plans in your area that cover prescription drugs.
Chemical name: Losartan

Brand name: Cozaar

Typical dosage: 100mg

Typical type: Tablet1

Losartan is a medication typically used to treat high blood pressure and to slow the effects of kidney disease in certain patients. Losartan is available as a brand name or generic drug and is taken as an oral tablet.

Losartan is a medication used for the treatment of high blood pressure. It is also used to help treat the effects of kidney disease for people with diabetes. The brand name equivalent of Losartan is called Cozaar.

Losartan is typically taken once per day, and your dose can vary based on the extent of your high blood pressure.

Losartan blocks your body from making substances that constrict your blood vessels. Your blood vessels are able to relax and your blood pressure lowers.

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The most common side effects of Losartan include signs of a common cold, dizziness, fatigue, diarrhea and back pain.

Does Medicare cover Losartan or Cozaar?

Yes! 100% of Medicare Advantage plans and Medicare Part D plans cover Losartan.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 Losartan.

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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 Losartan 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 $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.
Free – $13 Free – $13

Additional information

You can take losartan with or without food. If you experience side effects, taking it with food may help.

You may not notice the benefit of losartan. Even if you feel fine, do not stop taking this medication without talking to your doctor. Losartan is important for preventing heart attack and stroke.

You may feel dizzy while taking losartan. If you have a lot of dizzy episodes or pass out, talk to your doctor as your blood pressure may be too low. Also call your doctor if you experience any unusual swelling.

If you are pregnant, do not take losartan or similar medications. Losartan is toxic to developing fetuses and can cause injury or death. If you become pregnant while taking losartan, call your doctor and discontinue losartan as soon as possible.



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.