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What it Treats
XOFLUZA is a prescription medicine used to treat the flu (influenza) in people 12 years of age and older who have had flu symptoms for no more than 48 hours.
It is not known if XOFLUZA is safe and effective in children younger than 12 years of age or weighing less than 88 pounds (40 kg).
Important Safety Information
Do not take XOFLUZA if you are allergic to baloxavir marboxil or any of the ingredients in XOFLUZA.
Before you take 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
- are 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, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Talk to your healthcare provider before you receive a live flu vaccine after taking XOFLUZA.
Take Xofluza with or without food. Do not take XOFLUZA with dairy products, calcium-fortified 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.
XOFLUZA may cause serious side effects, including allergic reactions.
Get emergency medical help right away if you develop any of these signs and symptoms of an allergic reaction:
- trouble breathing
- skin rash, hives or blisters
- swelling of your face, throat or mouth
- dizziness or lightheadedness
The most common side effects are diarrhea, bronchitis, sinusitis, headache, and nausea.
XOFLUZA is not effective in treating infections other than influenza. Other kinds of infections can have symptoms like those of the flu or occur along with flu and may need different kinds of treatment. Tell your healthcare provider if you feel worse or develop new symptoms during or after treatment with XOFLUZA or if your flu symptoms do not start to get better.
Please see the XOFLUZA full Prescribing Information for complete safety information.
You are encouraged to report side effects to Genentech by calling 1-888-835-2555 or to the FDA by visiting www.fda.gov/medwatch or calling 1-800-FDA-1088.