Medications


Baloxavir marboxil oral tablets

What is this medicine?

BALOXAVIR MARBOXIL (bah loks ah veer mar box ill) is an antiviral medicine. It is used to treat some kinds of influenza or the flu. It will not work for colds or other viral infections.

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Start this medicine at the first sign of flu symptoms. You can take it with or without food. Avoid taking this medicine with dairy products, calcium-fortified drinks, laxatives, antacids, or oral supplements containing calcium, iron, magnesium, selenium, or zinc. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 years for selected conditions, precautions do apply.

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

  • bloody stools

  • confusion

  • seizures

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

  • cough

  • diarrhea

  • headache

  • nausea

  • vomiting

What may interact with this medicine?

  • certain medicines for stomach problems like antacids or laxatives

  • intranasal influenza vaccine

  • multivitamins

What if I miss a dose?

This does not apply.

Where should I keep my medicine?

Keep out of the reach of children.

Store between 20 and 25 degrees C (68 and 77 degrees F). Keep this medicine in the original container. Throw away any unused medicine after the expiration date.

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

They need to know if you have any of these conditions:

  • recently received or scheduled to receive a vaccine

  • an unusual or allergic reaction to baloxavir marboxil, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular check-ups. Tell your doctor if your symptoms do not start to get better or if they get worse.

If you have the flu, you may be at an increased risk of developing confusion or abnormal behavior. This occurs early in the illness, and more frequently in children and teens. These events are not common but may result in accidental injury to the patient. Families and caregivers of patients should watch for signs of unusual behavior and contact a doctor or health care professional right away if the patient shows signs of unusual behavior.

This medicine is not a substitute for the flu shot. Talk to your doctor each year about an annual flu shot.


NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Copyright© 2019 Elsevier
Powered by Krames Patient Education - A Product of StayWell