Influenza virus vaccine, h1n1, inactivated Side Effects
Medically reviewed by Drugs.com. Last updated on Apr 25, 2022.
Applies to influenza virus vaccine, h1n1, inactivated: intramuscular suspension
The most common adverse events were soreness at the injection site lasting less than 2 days, and local pain and swelling.[Ref]
Very common (10% or more): Soreness at vaccination site lasting under 2 days (64%)
Frequency not reported: Local pain and swelling[Ref]
Frequency not reported: Headache, Guillain-Barre Syndrome, convulsions, myelitis (including encephalomyelitis and transverse myelitis), facial palsy (Bell's palsy), optic neuritis/neuropathy, brachial neuritis, syncope (shortly after vaccination), dizziness, paresthesia[Ref]
Frequency not reported: Myalgia[Ref]
Frequency not reported: Fever, malaise
Postmarketing reports: Pain, asthenia/fatigue, pain in extremities, chest pain[Ref]
More about influenza virus vaccine, h1n1, inactivated
- Drug interactions
- Dosage information
- During pregnancy
- Drug class: viral vaccines
- FDA approval history
Related treatment guides
1. "Product Information. Influenza Virus Vaccine, H1N1, Inactivated (influenza virus vaccine, H1N1, inactivated)." CSL Biotherapies (2022):
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.