Viagra soft supplementary sheets are used for treating the impotence in men, due to an increase of the possibilities of organism for purposes of reaching and maintenance erection during the sexual stimulation. As undertaken To accept Viagra soft of supplementary sheet into the mouth, as it is necessary to 10 20 minutes to the sexual activity. Producer recommends not more than 1 dose during the day (1 dose of every 2 days for those, who assumes ritonavira).