Influenza virus vaccine, h1n1, live Side Effects

Some side effects of influenza virus vaccine, h1n1, live may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to influenza virus vaccine, h1n1, live: intranasal spray suspension

Side effects include:

Only limited data available to date regarding adverse effects of intranasal live influenza A (H1N1) 2009 vaccine. (See Ongoing Safety Review under Cautions.) Adverse effects expected to be similar to those reported with seasonal intranasal live influenza vaccine.

Most common adverse effects reported with seasonal intranasal live influenza vaccine are runny nose/nasal congestion, decreased appetite, irritability, lethargy, abdominal pain, sore throat, fever, headache, muscle aches, decreased activity, and chills in children 2–17 years of age and runny nose, headache, sore throat, tiredness/weakness, muscle aches, cough, chills, nasal congestion, and sinusitis in adults 18–49 years of age.

For Healthcare Professionals

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

Respiratory

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

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, and diarrhea.

Dermatologic

Dermatologic side effects have included rash.

General

General side effects have included tiredness/weakness and chills.

Hypersensitivity

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

Musculoskeletal

Musculoskeletal side effects have included muscle aches.

Nervous system

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

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