Lamisil is used to treat nail infections caused by fungus when in cream form and in oral granule form it is used to treat fungal infections of the hair follicles on the scalp in patients over the age of four years. http://www.heritageloftsofchamblee.com/ - generic lamisil Lamisil price. While this medication is useful in treating nail and scalp fungal infections it is not useful in the treatment of viral infections such as colds or the flu. This drug works to kill fungus by inhibiting the production of the fungal cell wall.