The New Yorker - USA (2021-01-18)

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Brief Summary
XOFLUZA® (zoh-FLEW-zuh) (baloxavir marboxil) tablets

This is only a brief summary of important information about XOFLUZA. Talk to your healthcare provider or
pharmacist to learn more.

What is XOFLUZA?
XOFLUZA is a prescription medicine used to:

• Treat the fl u (infl uenza) in people 12 years of age and older who have had fl u symptoms for no more than 48 hours.


• Prevent the fl u in people 12 years of age and older following contact with a person who has the fl u.
  It is not known if XOFLUZA is safe and eff ective in children less than 12 years of age. XOFLUZA does not treat or
  prevent illness that is caused by infections other than the infl uenza virus. XOFLUZA does not prevent bacterial
  infections that may happen with the fl u.

Do not take XOFLUZA if you are allergic to baloxavir marboxil or any of the ingredients in XOFLUZA.

Before taking XOFLUZA, tell your healthcare provider about all of your medical conditions, including if you are:

• Pregnant or plan to become pregnant.It is not known if XOFLUZA can harm your unborn baby.


• Breastfeeding or plan to breastfeed.It is not known if XOFLUZA passes into your breast milk.

Tell your healthcare provider about all the medicines you take: Keep a list that includes all prescription and over-
the-counter medicines, vitamins, and herbal supplements, and show it to your healthcare provider and pharmacist.
Talk to your healthcare provider before you receive a live flu vaccine after taking XOFLUZA.

How should I take XOFLUZA?

• Take XOFLUZA exactly as directed by your healthcare provider or pharmacist.


• Take XOFLUZA with or without food.


• Do not take XOFLUZA with dairy products, calcium fortifi ed beverages, laxatives, antacids, or oral supplements
  containing iron, zinc, selenium, calcium or magnesium.


• If you take too much XOFLUZA, go to the nearest emergency room right away.

What are the possible side eff ects of XOFLUZA?
XOFLUZA may cause serious side eff ects, including:
Allergic reactions. Get emergency medical help right away if you develop any of these signs and symptoms of an
allergic reaction:

The most common side eff ects of XOFLUZA for treatment of the fl u in adults and adolescents include:

• Diarrhea, bronchitis, sinusitis, headache, and nausea

XOFLUZA is not eff ective in treating infections other than infl uenza. Other kinds of infections can appear like fl u or
occur along with fl u and may need diff erent kinds of treatment. Tell your healthcare provider if you feel worse or
develop new symptoms during or after treatment with XOFLUZA or if your fl u symptoms do not start to get better.

These are not all the possible side eff ects of XOFLUZA. Call your doctor for medical advice about side eff ects.

General information about the safe and eff ective use of XOFLUZA.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leafl et. Do not use
XOFLUZA for a condition for which it was not prescribed. Do not give XOFLUZA to other people, even if they have
the same symptoms that you have. It may harm them. You can ask for information about XOFLUZA that is written for
health professionals.

You are encouraged to report side eff ects to Genentech by calling 1-888-835-2555 or to the FDA by visiting
http://www.fda.gov/medwatch or calling 1-800-FDA-1088.

For more information, go to http://www.xofl uza.com

• Trouble breathing


• Swelling of your face, throat or mouth
  
  
  • Skin rash, hives or blisters
  
  
  • Dizziness or lightheadedness