Antiviral is helpful in treating viral infections like flu, cold, and cough. Antiviral drugs are prescription-based medications to fight against viral flues in the body.
It is advised to start the treatment soon if you have a flu illness. It helps to lessen fever and other symptoms of flu.

In addition, it helps to lower the risk of complications which includes ear infections (children), low risk of respiratory issues, and severe illness. The antiviral medication will work best if taken within two days of illness.