-antacids, vitamins, or other products that contain calcium, iron, magnesium, selenium, or zinc
-intranasal influenza vaccines

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

-recent or upcoming vaccine
-an unusual or allergic reaction to baloxavir marboxil, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your health care provider for regular checks on your progress. Tell your health care provider 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 drug is not a substitute for the flu shot. Talk to your doctor each year about an annual flu shot.

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 drug after the expiration date.