About influenza virus subunit vaccine haemagglutinin + neuraminidase of recommended virus strains
Inactivated influenza vaccine
Used for
- Prevention of seasonal influenza.
Usual adult dose
One 0.5 mL injection once each influenza season.
Usual dose in children
Children aged 6 months and older: one seasonal dose; first-time recipients under 9 may need two doses, at least 4 weeks apart.
Common side effects
- Injection-site pain, redness, or swelling
- Headache or muscle aches
- Tiredness or mild fever
Important warnings
- Do not use after a severe allergic reaction to a previous influenza vaccine or a component.
- Vaccine protection takes about two weeks to develop.
- People with a history of Guillain–Barré syndrome after influenza vaccination need clinical assessment.
Pregnancy
Influenza vaccination is recommended during pregnancy; timing follows local guidance.
Breastfeeding
Generally compatible with breastfeeding.
Interactions
- Immunosuppressive treatments may reduce vaccine response.
- Other vaccines can usually be given at the same visit, at separate injection sites.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.