Sexual Weaknes

Patient: Dear Sir,I have suffering from too much Night Falls, i had couple of night falls on each night regularly from last one monthMy penis become very weak and concentration of sperms is become very low. i have conduct the sperm test, it show higher value of puss.would you please advise in this matterIs there any medicine available in which can i buy through internet that increase the strength of my Penis and concertrat the Sperms