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Influenza Virus Vaccine, H1n1, Live Side Effects

Applies to influenza virus vaccine, h1n1, live: nasal spray.

Serious side effects

Along with its needed effects, influenza virus vaccine, h1n1, live may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking influenza virus vaccine, h1n1, live:

More common side effects

Less common side effects

Incidence not known

  • bloody nose
  • difficulty with swallowing
  • dizziness
  • fast heartbeat
  • hives
  • inability to move the arms and legs
  • itching
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • skin rash
  • sudden numbness and weakness in the arms and legs
  • unusual tiredness or weakness
  • weakness of the muscles in your face

Other side effects

Some side effects of influenza virus vaccine, h1n1, live may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common side effects

  • abdominal or stomach pain
  • decreased appetite
  • irritability
  • muscle aches
  • tiredness or weakness
  • unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

Less common side effects

  • earache
  • redness or swelling in the ear

Incidence not known

Managing side effects (general information)

For healthcare professionals

Applies to influenza virus vaccine, h1n1, live: nasal spray.

General adverse events

General side effects have included tiredness/weakness and chills.[Ref]

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, and diarrhea.[Ref]

Dermatologic

Dermatologic side effects have included rash.[Ref]

Respiratory

Respiratory side effects have included nasal congestion, runny nose, sore throat, and cough.[Ref]

Hypersensitivity

Hypersensitivity side effects have included anaphylactic reactions, facial edema and urticaria.[Ref]

Musculoskeletal

Musculoskeletal side effects have included muscle aches.[Ref]

Nervous system

Nervous system side effects have included headache, Guillain-Barre syndrome and Bell's Palsy.[Ref]

References

1. (2022) "Product Information. Influenza Virus Vaccine, H1N1, Live (influenza virus vaccine, H1N1, live)." Medimmune Inc

Further information

Influenza virus vaccine, h1n1, live side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer