The AF 200 Tablet is intended to treat fungal infections of the fingernails and toenails, as well as the mouth, throat, and vagina. By breaking down the fungal cell membrane, it stops the growth of fungi, which is how it The AF 200 Tablet is intended to treat fungal infections of the fingernails and toenails, as well as the mouth, throat, and vagina. By breaking down the fungal cell membrane, it stops the growth of fungi, which is how it kills them.kills them.