When treating influenza (both A and B), oseltamivir is a common medication. Antiviral medication Natflu pills are used for the treatment and prevention of influenza (flu) and swine flu (H1N1 virus). Flu symptoms such as runny or stuffy nose, cough, sore throat, body pains, fatigue, headache, fever, and chills can be alleviated with its treatment. When it comes to selling and supporting Malaysia's antiviral struggle, Normahas is a strong player. committed the cause