Baloxavir marboxil is an antiviral drug that is involved in the treatment of influenza, the symptoms of which started in the last 48 hours. This medicine helps to improve the symptoms (such as nasal congestion, sore throat, fever and chills, pain and fatigue) and can reduce the complete recovery time to one to two days.This drug stops the growth of the flu virus, but it is not a substitute for the flu vaccine.

Time and method of consumption

Before taking the medicine, read the instructions for taking the medicine. You can ask your questions to your doctor or pharmacy doctor.

This medicine should be taken orally, according to the doctor’s prescription, with or without food and usually as a single dose.

The dosage of the drug is determined according to the weight.

Avoid taking this medicine together with products containing iron, zinc, selenium, calcium or magnesium. These substances can weaken the function of this drug. For better effectiveness, take this medicine at least 4 hours before or 2 hours after using these substances. Examples of these substances include antacids, vitamins, minerals, dairy products (such as milk, yogurt) and calcium-enriched drinks.

Other infections can have flu-like symptoms or occur along with the flu. These infections may require different treatments.

If the condition does not improve or worsens, inform your doctor.

side effects

This drug usually has no specific side effects. But if you see side effects, inform your doctor or pharmacy doctor.

Remember that your doctor has prescribed this medicine for you because he believes that the benefits of this medicine outweigh its side effects. Most people do not experience serious side effects when taking this drug.

A serious allergic reaction to this product rarely occurs. However, if you notice symptoms such as rash, itching, swelling (especially in the face, tongue and throat), severe dizziness, difficulty breathing, see a doctor immediately.

The mentioned cases do not include all the side effects of this drug, so if you see any other side effects, inform your doctor or pharmacy doctor.


Before taking the medicine, if you are allergic to it or any other type of allergy, inform your doctor or the pharmacy doctor. This product may contain inactive ingredients that may cause allergic reactions or other problems. Talk to the pharmacy doctor for more information

Also, before taking this medicine, inform your doctor or pharmacy doctor about your medical records.

Tell your doctor or dentist about all the medications you are taking (including prescription, over-the-counter, and herbal products) before surgery.

Use this medicine during pregnancy only if necessary. Consult your doctor for more information.

It is not yet known whether this medicine passes into breast milk or not, so be sure to consult your doctor before breastfeeding.

Drug interactions

Drug interactions can change the way the drug works and increase the risk of serious side effects. This note does not cover all the drug interactions of baloxavir marboxil, so it is better to discuss the names of all the drugs you are taking (including prescription and non-prescription drugs and herbal products) with your doctor and the pharmacy doctor, and do not use without the doctor’s approval. Do not start or stop any medication, or change the dosage in any way.

Tell your doctor if you received a nasal flu shot within 2 weeks before treatment. This drug may reduce the body’s immunity against the flu vaccine. Before receiving the flu vaccine, consult your doctor or pharmacist after treatment with this medicine.


If you take too much medicine and develop serious symptoms such as fainting or difficulty breathing, contact emergency medical centers.


Do not prescribe this medicine to others.

This medicine cannot replace the flu vaccine. Talk to your doctor about the pros and cons of getting an annual flu shot (to reduce your chance of getting it).


Keep the medicine at room temperature and away from light and moisture, and avoid storing the medicine in the bathroom or toilet. Also, keep medicines out of the reach of children and pets.

Do not flush medicines down the toilet or drain, unless instructed to do so. If the medicine expires or is not needed, throw it away in an appropriate way.

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