The difference between oseltamivir and oral antiviral solution is that the ingredients of the drugs are different, the indications for using the drugs are different, and the effective time is different. 1. Different ingredients: Oseltamivir is a western medicine, the main ingredient is oseltamivir; antiviral oral solution is a proprietary Chinese medicine, the main ingredient includes Panax quinquefolium, Gypsum, Zhi Mu, and Patchouli, and so on. 2. Indications for use: Oseltamivir is indicated for the treatment of influenza, such as influenza A and influenza B. Antiviral Oral Liquid cools the blood and detoxifies the toxin as well as removes heat and dampness, and can be used for wind-heat colds and upper respiratory tract infections. 3. Effective time: Oseltamivir is usually taken for 2-3 days to successfully lower the body temperature, and the total course of treatment is about 5 days; antiviral oral solution tends to be more slow to take effect, and may take a longer time. Common adverse effects of oseltamivir are nausea, vomiting, dizziness, insomnia, and bronchitis, and it is contraindicated in people who are allergic to oseltamivir; the adverse effects of Antiviral Oral Liquid are not known, and it is contraindicated in pregnant women as well as lactating women. In addition, the application of the above drugs have certain risks, patients need to get the guidance of specialized doctors.