Is Silditop 50 Safe To Use During Sexual Activity? Home › Forums › Male Health › Is Silditop 50 Safe To Use During Sexual Activity? Tagged: erectile dysfunction, Sildenafil, Silditop 50 This topic has 0 replies, 1 voice, and was last updated 2 years, 8 months ago by josephnewbrown. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In