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
Less common
- Headache
- pain or tenderness around the eyes and cheekbones
- shortness of breath or troubled breathing
- tightness of the chest
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
- Abdominal or stomach pain
- decreased appetite
- irritability
- muscle aches
- tiredness or weakness
- unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
Less common
- Earache
- redness or swelling in the ear
Incidence not known
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.[Ref]
Gastrointestinal
Gastrointestinal side effects have included nausea, vomiting, and diarrhea.[Ref]
Dermatologic
Dermatologic side effects have included rash.[Ref]
General
General side effects have included tiredness/weakness and chills.[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]
More about influenza virus vaccine, h1n1, live
- Check interactions
- Compare alternatives
- Dosage information
- During pregnancy
- Drug class: viral vaccines
Related treatment guides
References
1. Product Information. Influenza Virus Vaccine, H1N1, Live (influenza virus vaccine, H1N1, live). Medimmune Inc. 2022.
Further information
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.