Prescription Drug Coverage

Tobi (Tobramycin) Medicare Coverage

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

Brand name: Tobi

Typical dosage: 300mg/5ml

Typical type: Inhalation

Tobi is a medication used to treat certain lung infections. Tobi is available as a brand name drug or a generic and comes as an oral inhalation.

Tobi is a medication that contains the active ingredient Tobramycin. Tobi is used to treat certain bacterial lung infections and for management of cystic fibrosis in people with Pseudomonas aeruginosa infection.

This medication works in the lungs by preventing bacteria from forming correctly and thereby preventing infection.

Tobi is given twice daily for 28 days, followed by 28 days off the medication. Side effects of Tobi include headache, cough, increased sputum (phlegm), mouth or throat pain, changes in taste, change in voice, stuffy nose, upset stomach and vomiting.

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Does Medicare cover Tobi or Tobramycin?

Although some Medicare Advantage plans and Medicare Part D plans may not cover Tobi, some plans may cover the generic version, Tobramycin.

  • 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.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 Tobramycin.

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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

Additional information

Tobi comes as an inhalation, often as a nebulization solution (liquid) for inhalation.

If you are using the capsule form for inhalation, do not swallow the capsule. It is intended to be used with your breathing device to breathe in. The nebulization liquid should be used with a nebulizer for proper inhalation. Do not mix other drugs into the nebulizer.

Use Tobi exactly as your doctor has instructed. Using Tobi for shorter than the recommended time may not heal the infection, while using Tobi for longer than the recommended amount of time may cause a second infection.

Talk to your doctor if you experience any kidney problems such as the inability to urinate, blood in your urine or a noticeable weight gain.

Hearing problems can also happen while taking Tobi. Talk to your doctor if you experience any ringing in the ears, hearing loss or any other changes in hearing.



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.