What is Relenza Diskhaler: Uses, Warnings & Interactions

Updated Jan 13, 2021  •  Published Dec 30, 2020

Relenza Diskhaler overview

BRAND NAMES:

  • Relenza

Generic Names:

  • Relenza Diskhaler

Uses:

  • Treats and helps prevent the flu (influenza type A and B).

Therapeutic Classes:

  • Antiviral

Forms:

  • Disk

How it’s taken:

  • By breathing

What form(s) does Relenza Diskhaler come in

  • Disk

What are common Relenza Diskhaler doses?

  • Inhaler 20 Aerosol Powder Breath Activated

Common Relenza Diskhaler prescriptions

  • Relenza Diskhaler
    20 aerosol powder breath activated inhaler

How to take Relenza Diskhaler

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Start using this medicine as soon as possible after flu symptoms begin or after you are exposed to the flu (within the first 2 days).

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Relenza® is a powder that is used with its own inhaler device called a Diskhaler®. Individual doses of the powder are held in a foil blister pack called a Rotadisk®. Each Rotadisk® is placed into the Diskhaler®. The Diskhaler® pierces 1 blister at a time to load the correct dose when you are ready to use the medicine. An adult needs to watch closely while a child uses the Diskhaler®.

  • Do not use this medicine with a nebulizer. It should only be used with the Diskhaler® device that is included in the package.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Start using this medicine as soon as possible after flu symptoms begin or after you are exposed to the flu (within the first 2 days).

  • Do not use this medicine with a nebulizer. It should only be used with the Diskhaler® device that is included in the package.

  • Relenza® is a powder that is used with its own inhaler device called a Diskhaler®. Individual doses of the powder are held in a foil blister pack called a Rotadisk®. Each Rotadisk® is placed into the Diskhaler®. The Diskhaler® pierces 1 blister at a time to load the correct dose when you are ready to use the medicine. An adult needs to watch closely while a child uses the Diskhaler®.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

What to do if you miss a dose of Relenza Diskhaler

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose. If you miss a dose or forget to use it, use it as soon as you can if it is more than 2 hours before your next dose. Wait and use your next dose at the normal time if it is less than 2 hours before your next dose. Do not use extra medicine to make up for a missed dose.

  • Inhalation routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of the used medicine container and any leftover medicine. You will also need to throw away old medicine after the expiration date has passed.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Relenza Diskhaler contraindications

  • You should not use this medicine if you have had an allergic reaction to zanamivir, lactose, or milk proteins.

Relenza Diskhaler warnings

  • Call your doctor if your symptoms do not improve or if they get worse.

  • If you also use an asthma medicine that you inhale (such as albuterol, Atrovent®, Combivent®, or Serevent®), use it before you use zanamivir.

  • Make sure your doctor knows if you are pregnant or breastfeeding or if you have heart disease, lung disease (such as asthma or COPD), or a history of seizures or mental illness.

  • This medicine does not take the place of a yearly flu shot. It will not keep you from getting a bacterial infection that causes flu-like symptoms.

  • This medicine may cause bronchospasm in people with lung disease (such as asthma or COPD). Stop using this medicine and call your doctor right away if you have trouble breathing, wheezing, or tightness in your chest after you use this medicine.

  • This medicine may cause changes in behavior. Tell your doctor if you have trouble sleeping, get upset easily, or have any unusual thoughts or behaviors. Also tell your doctor if you feel nervous, angry, restless, violent, or scared.

  • Do not use this medicine to treat other types of flu. Other people can still catch the flu from you even though you feel better while you use this medicine.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

Relenza Diskhaler interactions

  • This medicine may cause changes in behavior. Tell your doctor if you have trouble sleeping, get upset easily, or have any unusual thoughts or behaviors. Also tell your doctor if you feel nervous, angry, restless, violent, or scared.

  • Make sure your doctor knows if you plan to get the nasal flu vaccine (FluMist®). You should not receive the vaccine within 2 weeks before or 48 hours after you use this medicine.

  • This medicine does not take the place of a yearly flu shot. It will not keep you from getting a bacterial infection that causes flu-like symptoms.

  • This medicine may cause bronchospasm in people with lung disease (such as asthma or COPD). Stop using this medicine and call your doctor right away if you have trouble breathing, wheezing, or tightness in your chest after you use this medicine.

  • Do not use this medicine to treat other types of flu. Other people can still catch the flu from you even though you feel better while you use this medicine.

  • If you also use an asthma medicine that you inhale (such as albuterol, Atrovent®, Combivent®, or Serevent®), use it before you use zanamivir.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

Relenza Diskhaler side effects

Serious Side Effects

  • Confusion, anxiety, or changes in mood or behavior

  • Trouble breathing, wheezing, cough, or tightness in your chest

  • Seizures

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Seeing, hearing, or feeling things that are not there