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Flu Shot (Vaccine) for Adults

Medically reviewed by Drugs.com. Last updated on Jun 5, 2024.

Several types of viruses cause the flu. The viruses change over time, so new vaccines are made each year. Get the vaccine as soon as recommended each year, usually starting in September or October. The vaccine begins to protect you about 2 weeks after you get it. The vaccine may cause mild symptoms, such as a fever, headache, and muscle aches. You may still get the flu after you receive the vaccine.

DISCHARGE INSTRUCTIONS:

Call your local emergency number (911 in the US) if:

Return to the emergency department if:

Treatment options

The following list of medications are related to or used in the treatment of this condition.

Call your doctor if:

Apply a warm compress

to the injection area to decrease pain and swelling.

Follow up with your doctor as directed:

Write down your questions so you remember to ask them during your visits.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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