Their purpose is to break enlarging of amount of flu virus in the body. Antivirals are not able to treat the disease directly. However, they can lighten the symptoms and help to get over in relatively short time.
There are many people with particular resistance to the flu and well immune system, able to withstand the virus. These people belong to those, who can get better, without using any treatment.
The main advices to cure the influenza are to have enough rest in warm conditions and have a lot of water. The relaxing is important in terms of helping the organism to resist the illness