When should I take RELENZA?
Treatment should begin as soon as possible, within 48 hours after onset of symptoms for adults, and within 36 hours after onset of symptoms for children. Relenza is for administration to the respiratory tract by oral inhalation only, using the Diskhaler device provided.
How fast does RELENZA work?
Zanamivir works by inhibiting an enzyme the flu virus needs to spread through your body. If it is used within 2 days of the start of flu symptoms, zanamivir can reduce the time it takes for flu symptoms to improve by about one day.
How is zanamivir administered?
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.
Which is better RELENZA or Tamiflu?
Relenza (zanamivir) can reduce flu symptoms for people 7 years & older, but they should take it within two days of the flu starting or it won’t work. Treats and prevents the flu. Tamiflu (oseltamivir) is effective at treating the flu virus, but can cause stomach side effects like nausea, vomiting, and diarrhea.
What are the side effects of Relenza?
Common side effects may include:
- headache, dizziness;
- nausea, vomiting, diarrhea;
- cough, wheezing, trouble breathing;
- ear pain; or.
- cold symptoms such as stuffy nose, sneezing, sore throat.
Is Relenza a prescription?
RELENZA contains zanamivir and is available only with a doctor’s prescription. Using a DISKHALER device, RELENZA is delivered directly to the primary site of infection in the lungs.
What are the side effects of RELENZA?
What is the mechanism of action of RELENZA?
Mechanism of Action Relenza is thought to work by inhibiting breakage of the bond and preventing release of the new viruses, therefore interrupting the spread of infection within the respiratory tract.
How does Relenza work against influenza?
Relenza works by binding to and blocking the active site to the neuraminidase protein of the host cell. Its role as a receptor antagonist inhibits the influenza virus from being able to escape the host cell when intracellular resources are depleted.
What class of drug is Relenza?
Relenza is a prescription medicine used as a prophylaxis and to treat the symptoms of influenza. Relenza may be used alone or with other medications. Relenza belongs to a class of drugs called Antivirals, Influenza; Neuraminidase Inhibitors.
How effective is Relenza?
Results were similar for Relenza. The drug was found to reduce the duration of flu symptoms from 6.6 days to 6 days in adults – the equivalent of 14.4 hours – compared with a placebo drug. No significant effect was found in children.
What is Relenza used for?
Zanamivir is used to treat symptoms caused by the flu virus (influenza) if you have had symptoms for 2 days or less. It helps lessen symptoms (such as stuffy nose, cough, sore throat, fever/chills, headache, body aches, tiredness) and shortens the recovery time by about 1 to 2 days.
How is the 10 mg dose of Relenza given?
Dosing Considerations RELENZA is for administration to the respiratory tract by oral inhalation only, using the DISKHALER ® device provided [see WARNINGS AND PRECAUTIONS]. The 10-mg dose is provided by 2 inhalations (one 5-mg blister per inhalation). Patients should be instructed in the use of the delivery system.
How often should I take Relenza for influenza?
Relenza dosing information. Usual Adult Dose for Influenza: 10 mg (2 inhalations) inhaled orally twice a day (12 hours apart) for 5 days. If possible, 2 doses should be taken on the first day, provided there are at least 2 hours between the doses.
When is the best time to start Relenza?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Start taking Relenza as soon as possible after flu symptoms appear, such as fever, chills, muscle aches, sore throat, and runny or stuffy nose.
When to take Relenza with a runny nose?
Do not use a nebulizer or ventilator to give this medicine. The inhalation powder should never be mixed with a liquid. Treatment with this medicine should start as soon as possible when flu symptoms appear, such as fever, chills, muscle aches, sore throat, and runny or stuffy nose.