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Flublok Trivalent Dosage

Generic name: INFLUENZA A VIRUS A/WEST VIRGINIA/30/2022 (H1N1) RECOMBINANT HEMAGGLUTININ ANTIGEN 45ug in 0.5mL, INFLUENZA A VIRUS A/MASSACHUSETTS/18/2022 (H3N2) RECOMBINANT HEMAGGLUTININ ANTIGEN 45ug in 0.5mL, INFLUENZA B VIRUS B/AUSTRIA/1359417/2021 RECOMBINANT HEMAGGLUTININ ANTIGEN 45ug in 0.5mL
Dosage form: injection
Drug class: Viral vaccines

Medically reviewed by Drugs.com. Last updated on Mar 27, 2025.

For intramuscular use.

Dosage

Administer Flublok as a single 0.5 mL dose.

Administration

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. If either of these conditions exists, the vaccine should not be administered.

Gently invert the prefilled syringe prior to affixing a sterile needle.

Administer the dose intramuscularly.

Frequently asked questions

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.