2024年9月11日 · Flu antiviral drugs are prescription medicines (pills, liquid, an inhaled powder, or an intravenous solution) that fight against flu viruses in your body. Antiviral drugs are not sold over the counter. You can only get them if you have a prescription from a health care provider.

Flu antiviral drugs work best when started early, ideally within two days after your flu symptoms begin. Flu antiviral drugs are prescription medicines (pills, liquid, an inhaled powder, or an intravenous solution) that fight against flu in your respiratory …

2024年11月7日 · Relenza is inhaled through the mouth. All four antivirals are most effective when given within 48 hours of the onset of flu symptoms, although they may still prevent severe flu complications when...

2024年10月14日 · Relenza is an antiviral medicine that blocks the actions of viruses in your body. Relenza is used to treat flu symptoms caused by influenza virus in people 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. Zanamivir will not treat the common cold.

Inhaled zanamivir is approved for treatment of acute uncomplicated influenza within 2 days of illness onset with twice-daily dosing in people aged ≥7 years, and for chemoprophylaxis with once-daily dosing in people aged ≥5 years.

2024年10月13日 · Relenza (zanamivir) is commonly used for the treatment of the flu (influenza A and B), but only within the first two days of having flu symptoms. Relenza is also used for the...

Zanamivir comes as a powder to inhale (breathe in) by mouth. To treat influenza, it is usually inhaled twice daily for 5 days. You should inhale the doses about 12 hours apart and at the same times each day. However, on the first day of treatment, your doctor may tell you to inhale the doses closer together.

Zanamivir prevents and treats infections caused by influenza A or B virus. The virus causes symptoms like head and body aches, sore throat and fever. This medication comes in an inhaler that you breathe in through your mouth as directed. The brand name of Zanamivir is Relenza®.

2025年1月13日 · These guidelines conditionally recommended the use of oseltamivir but advised against using inhaled zanamivir, inhaled laninamivir, or intravenous peramivir for individuals suspected or confirmed to have influenza virus infection with or at risk of severe illness. 7 Most of the evidence supporting these recommendations was, however, of low or ...

2024年1月31日 · Zanamivir is used in the treatment of the infection caused by the flu virus (influenza A and influenza B). This medicine may also be used to prevent and treat swine influenza A. Zanamivir may reduce flu symptoms (weakness, headache, fever, cough, runny or stuffy nose, and sore throat) by 1 to 1.5 days.