Drug details

Relenza (zanamivir)

type of Antivirals, Influenza, Neuraminidase Inhibitors

Relenza (zanamivir) Inhalation Powder is an antiviral medication used to treat flu symptoms caused by influenza virus in patients who have had symptoms for less than 2 days. Relenza may also be given to prevent influenza in people who may be exposed but do not yet have symptoms. It will not treat the common cold.

The drug is often used to treat Common cold .

This drug may have the following side effects:
  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • trouble speaking,
  • hallucinations
  • seizure, and
  • sudden confusion,
  • tremors or shaking,
  • sudden unusual changes in mood or behavior,
The following drugs are related to Relenza, either as a replacement or used together:
  • Afluria (influenza virus vaccine)
  • Afluria Quadrivalent 2016 (afluria quadrivalent 2016)
  • Afluria Quadrivalent 2020 (2020 influenza vaccine suspension for intramuscular injection)
  • Symmetrel (amantadine hydrochloride)
  • Audenz ((influenza a (h5n1) monovalent vaccine, adjuvanted) injection)
  • Xofluza (baloxavir marboxil)
  • Mucinex (dextromethorphan guaifenesin bi-layer tablets)
  • Fluzone Highdose (flu vaccine)
  • Fluad (influenza virus vaccine, surface antigen, inactivated, adjuvanted with mf59c.1)
  • Fluarix (influenza virus vaccine)
  • Fluarix Quadrivalent 2021-2022 (influenza virus vaccine)
  • Flublok (influenza vaccine for intramuscular injection)
  • Flucelvax (influenza virus vaccine for injection)
  • Flucelvax Quadrivalent 2016-2017 Formula (influenza vaccine)
  • Flulaval (influenza virus vaccine)
  • Flumadine (rimantadine)
  • FluMist (influenza virus vaccine)
  • Fluvirin (influenza virus vaccine)
  • Fluzone (influenza virus vaccine)
  • Fluzone Intradermal Quadrivalent (influenza vaccine)
  • Lonhala Magnair (glycopyrrolate inhalation solution)
  • Orudis (ketoprofen)
  • Tamiflu (oseltamivir phosphate)
  • Rapivab (peramivir injection)
The following supplements are related to Relenza, and may be used together with the drug:
  • N-Acetyl Cysteine (s.)
  • Elderberry (s.)