Influenza A Virus Vaccine, H1n1, Live (Nasal Route)

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Side Effects

Along with its needed effects, a medicine 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:

• Chills
• Cough
• Fever
• Runny nose
• Sore throat
• Stuffy nose
• Wheezing

• Headache
• Pain or tenderness around the eyes and cheekbones
• Shortness of breath or troubled breathing
• Tightness of the chest

• 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

Some side effects 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:

• Abdominal or stomach pain
• Decreased appetite
• Irritability
• Muscle aches
• Tiredness or weakness
• Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

• Earache
• Redness or swelling in the ear

• Diarrhea
• Nausea
• Vomiting

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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