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Home > Drugs > Miscellaneous antivirals > Xofluza
Miscellaneous antivirals

Xofluza

https://themeditary.com/drug/xofluza-809.html
Medically Reviewed by Judith Stewart, BPharm TheMediTary.Com | Reviewed: Jul 12, 2023  Additional Content by TheMediTary.Com

Generic name: baloxavir marboxil [ ba-lox-a-vir-mar-box-il ]

Drug class: Miscellaneous antivirals

Dosage form: tablet, film coated

Availability: Prescription only

Pregnancy & Lactation: Risk data available

Brand names: Baloxavir (monograph), Baloxavir marboxil

Contents
Uses Warnings Before Taking Dosage Side effects Interactions
  • Xofluza (Baloxavir marboxil [ ba-lox-a-vir-mar-box-il ])-Logo 772 20-20 mg-White-Capsule-shape Xofluza 20 mg (Logo 772 20)
  • Xofluza (Baloxavir marboxil [ ba-lox-a-vir-mar-box-il ])-BXM40-40 mg-White-Capsule-shape Xofluza 40 mg (BXM40)
  • View all images

What is Xofluza?

Xofluza is used to treat flu symptoms caused by the influenza virus in people who have had symptoms for no more than 48 hours. Baloxavir marboxil will not treat the common cold.

Xofluza is also used to prevent flu symptoms in people who have been in contact with someone who has the flu.

Xofluza is for adults and children at least 5 years old and weighing at least 44 pounds (20 kilograms).

Xofluza should not be used in place of getting a yearly flu shot. The Centers for Disease Control and Prevention recommends an annual flu shot to help protect you each year from new strains of influenza virus.

Warnings

Xofluza may contain inactive ingredients, which can cause allergic reactions or other problems.

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

How should I take Xofluza

Take Xofluza exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets.

Xofluza is usually given as a single dose to be taken at one time. This medicine will be provided either as tablets or a liquid (oral suspension) that is mixed by a healthcare professional.

Xofluza doses are based on weight. Follow all dosing instructions carefully, and do not share this medicine with another person.

Take Xofluza when you first notice flu symptoms (fever, chills, muscle aches, sore throat, runny or stuffy nose). This medicine may not be effective if you have been sick for longer than 48 hours.

If you are taking Xofluza to prevent flu symptoms, take your dose as soon as possible after you've been in contact with someone who has the flu.

You may take Xofluza with or without food.

Do not take this medicine with dairy products such as milk or yogurt, or with calcium-fortified juice.

Also avoid taking Xofluza with a laxative, antacid, or vitamin/mineral supplement that contains aluminum, calcium, magnesium, iron, selenium, or zinc.

Call your doctor if your symptoms do not improve, or if they get worse.

Store tablets in the blister pack at room temperature, away from moisture and heat. You must use the liquid within 10 hours after it was mixed.

Dosing information

Usual Adult Dose for Influenza:

20 kg to less than 80 kg: 40 mg orally once as a single dose
At least 80 kg: 80 mg orally once as a single dose

Use:
-For the treatment of acute uncomplicated influenza in patients symptomatic for no more than 48 hours who are otherwise healthy or at high risk of developing influenza-related complications

Usual Adult Dose for Influenza Prophylaxis:

20 kg to less than 80 kg: 40 mg orally once as a single dose
At least 80 kg: 80 mg orally once as a single dose

Use:
-For postexposure prophylaxis of influenza after contact with an individual who has influenza

Usual Pediatric Dose for Influenza:

5 years or older:
-Less than 20 kg: 2 mg/kg orally once as a single dose
-20 kg to less than 80 kg: 40 mg orally once as a single dose
-At least 80 kg: 80 mg orally once as a single dose

Use:
-For the treatment of acute uncomplicated influenza in patients who have been symptomatic for no more than 48 hours and who are otherwise healthy adults and pediatric patients 5 years of age and older, or adults and pediatric patients 12 years of age and older who are at high-risk of developing influenza-related complications

Usual Pediatric Dose for Influenza Prophylaxis:

5 years or older:
-Less than 20 kg: 2 mg/kg orally once as a single dose
-20 kg to less than 80 kg: 40 mg orally once as a single dose
-At least 80 kg: 80 mg orally once as a single dose

Use:
-For postexposure prophylaxis of influenza in patients 5 years of age and older after contact with an individual who has influenza

Detailed Xofluza dosage information
Xofluza Dosage information (more detail)

Before Taking

You should not use Xofluza if you are allergic to baloxavir marboxil.

Tell your doctor if you are pregnant or plan to become pregnant. Having influenza during pregnancy can cause severe complications that could harm both mother and baby. The benefit of treating influenza may outweigh any risks to the baby.

The Centers for Disease Control and Prevention recommends that pregnant women get a flu shot during any trimester of pregnancy to protect themselves and their newborn babies from flu.

Tell your doctor if you are breastfeeding.

Xofluza pregnancy and breastfeeding warnings (more detail)

What happens if I miss a dose?

Xofluza is used as a single dose and does not have a daily dosing schedule.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while using Xofluza?

Ask your doctor before getting a "live" flu vaccine (such as nasal FluMist). Baloxavir marboxil may interfere with the drug action of FluMist, making the vaccine less effective.

Xofluza side effects

Get emergency medical help if you have signs of an allergic reaction to Xofluza: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Common Xofluza side effects in adults and adolescents may include:

  • cough, chest congestion;

  • nausea, diarrhea;

  • headache; or

  • runny or stuffy nose.

Common Xofluza side effects in children 5-12 years of age may include:

  • vomiting; or

  • diarrhea.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See more: Xofluza Side Effects

What other drugs will affect Xofluza?

Other drugs may interact with baloxavir marboxil, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.

More about Xofluza (Baloxavir marboxil [ ba-lox-a-vir-mar-box-il ])

Dosage information
Xofluza Side Effects
During pregnancy
Xofluza Prescribing Information
Drug images
Side effects
Drug class: Miscellaneous antivirals

Related treatment guides

Influenza
Influenza Prophylaxis
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Contents
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