influenza a (h1n1) virus vaccine, live (generic name)

The vaccine only helps protect you against this one strain of the flu
Table of Contents
powered by healthline

Average Ratings

What is this medicine?

INTRANASAL H1N1 INFLUENZA (SWINE FLU) VACCINE (in truh NEY zuhl H1N1 in floo EN zuh (swahyn floo) vak SEEN) helps reduce the risk of getting the pandemic H1N1 flu also known as the swine flu. The vaccine only helps protect you against this one strain of the flu. This vaccine does not help to the reduce the risk of getting other types of flu. You may also need to get the seasonal influenza virus vaccine.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • asthma or wheezing
  • Guillain-Barre syndrome
  • immune system problems
  • under 18 and taking aspirin
  • an unusual or allergic reaction to intranasal influenza vaccine, eggs, gentamicin, gelatin, arginine, other medicines, foods, dyes or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

This vaccine is for use in the nose. It is given by a health care professional.

A copy of Vaccine Information Statements will be given before each vaccination. Read this sheet carefully each time. The sheet may change frequently.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years for selected conditions, precautions do apply.

Overdosage: If you think you've taken too much of this medicine contact a poison control center or emergency room at once.

What if I miss a dose?

If needed, keep appointments for follow-up (booster) doses as directed. It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • anakinra
  • rilonacept
  • tumor necrosis factor (TNF) modifiers like adalimumab, etanercept, infliximab, golimumab, or certolizumab

This medicine may also interact with the following medications:

  • aspirin and aspirin-like medicines
  • medicines for organ transplant
  • medicines to treat cancer
  • medicines to treat the flu
  • other vaccines
  • steroid medicines like prednisone or cortisone

What should I watch for while using this medicine?

Report any side effects to your doctor right away.

After receiving this vaccine, stay away from people who have severe immune system problems for 7 days. You may give them the flu.

This vaccine lowers your risk of getting the pandemic H1N1 flu. You can get a milder H1N1 flu infection if you are around others with this flu. This flu vaccine will not protect against colds or other illnesses including other flu viruses. You may also need the seasonal influenza vaccine.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems
  • muscle weakness
  • unusual drooping or paralysis of face

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • chills
  • cough
  • headache
  • muscle aches and pains
  • runny or stuffy nose
  • sore throat
  • stomach upset
  • tiredness

Where should I keep my medicine?

This vaccine is only given in a clinic, pharmacy, doctor's office, or other health care setting and will not be stored at home.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Last Updated: November 17, 2009
Licensed from
Top of page
General Drug Tools
General Drug Tools view all tools
Tools for
Healthy Living
Tools for Healthy Living view all tools
Search Tools
Search Tools view all tools
Insurance Plan Tools
Insurance Plan Tools view all tools

What is a reference number?

When you register on this site, you are assigned a reference number. This number contains your profile information and helps UnitedHealthcare identify you when you come back to the site.

If you searched for a plan on this site in a previous session, you might already have a reference number. This number will contain any information you saved about plans and prescription drugs. To use that reference number, click on the "Change or view saved information" link below.

You can retrieve information from previous visits to this site, such as saved drug lists and Plan Selector information.