Oseltamivir Granules is an antiviral drug that is metabolized by influenza virus neuraminidase inhibitors and is used in the treatment of influenza A and B. Oseltamivir Granules is an antiviral medication that is used for the treatment of influenza A and B in adults and children 1 year of age and older, as well as for the prophylaxis of influenza A and B in adults and adolescents 13 years of age and older. The main ingredient of Oseltamivir Granules is oseltamivir, and its active metabolite is oseltamivir carboxylate, a potent and selective inhibitor of influenza virus neuraminidase, which inhibits the replication and pathogenicity of influenza viruses of type A and B. It should be noted that adverse reactions such as nausea, vomiting, abdominal pain, insomnia, dizziness, epistaxis, earache, conjunctivitis, and bronchitis may occur with the use of oseltamivir granules. The use of this drug is contraindicated in patients who are allergic to oseltamivir. If you need to use this drug, please do so under the supervision of a physician.