Xofluza

brand

Xofluza Side Effects

Baloxavir marboxil usually has very few side effects. If you have any unusual effects, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
  • behavioral disorders
  • pharyngitis
  • bronchitis
  • colitis
  • black tarry stools
  • erythema multiforme
  • urticaria
  • delirium
  • hallucinations
  • skin rash
  • facial edema
  • headache disorder
  • tongue swelling
  • voice change
  • nausea
  • vomiting
  • diarrhea
  • anaphylaxis
  • angioedema
  • bloody diarrhea

Drug Interactions

See also How to Use section.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Tell your doctor if you have received flu vaccine in the nose within 2 weeks before treatment with this medication. This medication may lower your protection from flu vaccine given in the nose. After treatment with this medication, talk with your doctor or pharmacist before receiving flu vaccine.