Pictures of Tamiflu (Oseltamivir Phosphate), drug imprint information, side effects for the patient. Tamiflu is the brand name of the prescription drug oseltamivir, used to treat influenza A and B in people who have flu symptoms. They may also prescribe it to prevent flu in those who have been. List of frequently occuring side effects for tamiflu. Sources include the official FAERS database and social media including user reviews and forum discussions. Antiviral Agents for the Treatment and Chemoprophylaxis of Influenza: Recommendations of the Advisory Committee on Immunization Practices (ACIP) In Summary. Commonly reported side effects of oseltamivir include: nausea and vomiting. Other side effects include: abdominal pain. See below for a comprehensive list of adverse effects. Los antivirales (oseltamivir y zanamivir) acortan la duración media de la gripe entre 0,5 y 1,5 días y reducen la transmisión de la gripe en 8% El tratamiento con antivirales no tiene un efecto clínico significativo en reducir exacerbaciones asmáticas ni en el uso general de antibióticos, pero el oseltamivir está asociado con un aumento. Antiviral drugs are prescription medications that may help prevent flu complications or shorten the severity and duration of flu once you have it. Learn about Tamiflu (Oseltamivir Phosphate) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. Oseltamivir is an antiviral medication that blocks the actions of influenza virus types A and B. Learn about side effects, interactions and indications. Common adverse drug reactions (ADRs) associated with oseltamivir therapy (occurring in over 1 percent of people) include nausea and vomiting. In adults, oseltamivir increased the risk of nausea for which the number needed to harm was 28 and for vomiting was 22.