​Possible side effects of Baloxavir Marboxil (Xofluza)

Release date: 2026-05-07 16:00:46     Article From: Lucius Laos     Recommended: 5

Possible side effects of Baloxavir Marboxil (Xofluza)

Like all medicines, Baloxavir Marboxil (Xofluza) can cause side effects, but not everyone gets them. The most common side effects vary by age group. In adults and adolescents aged 12 years and older, side effects include diarrhea, bronchitis, nausea, sinusitis, and headache. In children aged 5 years to less than 12 years, the most common side effects are diarrhea and vomiting. Additionally, there are some serious side effects to watch out for, especially allergic reactions. If a patient experiences signs of an allergic reaction such as difficulty breathing, rash, hives or blisters, swelling of the face/throat/mouth, dizziness, or lightheadedness after taking the medicine, they must seek emergency medical help immediately. This is not a complete list of all possible side effects. Consult your doctor promptly if you notice anything unusual.

Who should absolutely not take it

The primary principle of safe medication is understanding contraindications. You must not take Baloxavir Marboxil (Xofluza) if you are allergic to its active ingredient baloxavir marboxil, or to any of the other excipients in the medicine. Additionally, as the safety and efficacy of this medicine in children under 5 years of age have not been established, it is not recommended for children under 5 years old. Pregnant or planning-to-become-pregnant women should inform their doctor, as it is unknown whether Baloxavir Marboxil (Xofluza) could harm an unborn baby. Breastfeeding women should also inform their doctor, as it is unknown whether the medicine passes into breast milk and affects the nursing infant.

Necessary information before taking the medicine

Before taking Baloxavir Marboxil (Xofluza), you must fully disclose all your health conditions to your healthcare provider, including but not limited to whether you are pregnant or breastfeeding. At the same time, you need to provide a complete list of all medications you are taking, including prescription drugs, over-the-counter drugs, antacids, laxatives, vitamins, and any herbal supplements. This is because certain medicines (especially supplements containing specific minerals) may interact with Baloxavir Marboxil (Xofluza) and affect its efficacy. Another important point to note is that if you feel your symptoms are not improving, or even getting worse, or if you develop new symptoms while taking the medicine, you should inform your doctor immediately. This could indicate that you do not have influenza, or that you have developed a bacterial infection or another condition requiring a different treatment approach.

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Lucius Pharmaceuticals (Lao) LTD. (Lucius Pharmaceuticals), with its manufacturing campus in Laos located in the capital city of Vientiane in 2020, officially begins its great journey to make effective and affordable medicines available to people in need around the world...More

Lucius Pharmaceutical Co., Ltd., was established in 2020 in Vientiane, the capital of Laos. It aims to offer safe, effective, and affordable medicines globally. With a factory spanning 25,000 square meters, the company manufactures 200+ generic drugs in diverse therapeutic fields.

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