Influenza Virus Vaccine (Live/Attenuated)

Adult Medication

Brand Names: US

FluMist Quadrivalent; FluMist [DSC]

Brand Names: Canada

FluMist Quadrivalent

What is this drug used for?

  • It is used to prevent the flu.

What do I need to tell my doctor BEFORE I take this drug?

For all patients taking this drug:

  • If you have an allergy to this drug or any part of this drug.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.


  • If your child is taking aspirin.
This is not a list of all drugs or health problems that interact with this drug.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

  • Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
  • This drug may not protect all people who use it. Talk with the doctor.
  • This drug is not a cure for the flu. It must be given before you are exposed to the flu in order to work. Most of the time, it takes a few weeks for this drug to work.
  • This drug only protects you for 1 flu season. You will need to get the flu vaccine each year.
  • If you will be in close contact with someone who has a weak immune system, talk with your doctor. You may need to avoid contact with certain people who have a weak immune system for some time after you get this drug.
  • Wheezing has happened after this drug was given. The chance may be raised in children younger than 5 years of age who have wheezing. The chance may also be raised in people of any age who have asthma. Talk with the doctor.
  • This drug is not approved for use in children younger than 2 years of age. The chance of bad wheezing and the need to be treated in a hospital is raised in these children. Talk with the doctor.
  • Some children may need to have more than 1 dose of this vaccine. Talk with your child’s doctor.
  • Do not give to children and teenagers who are taking aspirin due to the chance of Reye’s syndrome. Reye’s syndrome causes very bad problems to the brain and liver. Children and teenagers must not be given aspirin for 4 weeks after getting this drug unless the doctor says otherwise.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

For all patients taking this drug:

  • Runny nose.
  • Stuffy nose.
  • Headache.
  • Muscle pain.
  • Feeling tired or weak.
  • Not hungry.
  • Fever.
  • Sore throat.
  • Cough.

Young children:

  • Feeling fussy.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.

How is this drug best taken?

Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.
  • For the nose only.
  • Your doctor will give this drug.

What do I do if I miss a dose?

  • Call your doctor to find out what to do.

How do I store and/or throw out this drug?

  • If you need to store this drug at home, talk with your doctor, nurse, or pharmacist about how to store it.

General drug facts

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

CDC Information

Vaccine Information Statements (VIS) are made by the staff of the Centers for Disease Control and Prevention (CDC). Each VIS gives information to properly inform the adult receiving the vaccine or, in the case of a minor, the child’s parent or legal representative about the risks and benefits of each vaccine. Before a doctor vaccinates a child or an adult, the provider is required by the National Childhood Vaccine Injury Act to give a copy of the VIS. You can also get foreign language versions.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Last Reviewed Date



© 2016 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.