If you have flu symptoms and are at risk of complications - such as those living with chronic respiratory conditions - see your doctor right away. Taking antiviral drugs may reduce the length of your illness and help prevent more-serious problems.
Get emergency medical attention if you have any of these signs or symptoms:
For adults these can include:
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Difficulty breathing or shortness of breath
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Chest pain
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Ongoing dizziness
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Seizures
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Worsening of existing medical conditions
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Severe weakness or muscle pain
For children these can include:
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Difficulty breathing
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Blue lips
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Chest pain
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Dehydration
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Severe muscle pain
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Seizures
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Worsening of existing medical conditions