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Influenza Virus Vaccine, H1N1, Inactivated Dosage

Applies to the following strength(s): preservative-free

The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Influenza Prophylaxis

0.5 mL intramuscularly once.

Usual Pediatric Dose for Influenza Prophylaxis

Sanofi Pasteur and CSL:
6 months to 35 months: Two 0.25 mL intramuscular injections approximately 1 month apart.
36 months to 9 years: Two 0.5 mL intramuscular injections approximately 1 month apart.
10 years or older: A single 0.5 mL intramuscular injection.

Novartis:
4 years to 9 years of age: Two 0.5 mL intramuscular injections approximately 1 month apart.
10 years or older through 17 years of age: A single 0.5 mL intramuscular injection.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

Influenza virus vaccine, H1N1, inactivated is contraindicated in patients with a history of a hypersensitivity reaction to chicken or egg proteins or life-threatening reactions to previous influenza vaccinations

If Guillain-Barre syndrome (GBS) has occurred within six weeks of vaccination with influenza vaccine, the decision to give Influenza Virus Vaccine, H1N1, inactivated should be based on careful consideration of the benefits and risks.

Immunocompromised persons may have a reduced immune response to Influenza Virus Vaccine, H1N1, inactivated.

Appropriate medical treatment and supervision must be available to manage possible anaphylactic reactions following administration of the vaccine.

Dialysis

Data not available

Other Comments

The preferred sites for intramuscular injections are the anterolateral aspect of the thigh in infants or the deltoid muscle of the upper arm in toddlers and young children. In adults, the preferred site for intramuscular injection is the deltoid muscle.

It is important to note that influenza seasons vary in their timing and duration from year to year. In general, vaccination should begin soon after the vaccine becomes available and if possible, prior to October. However, vaccination should continue throughout the influenza season as long as vaccine is available.

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