Sir in medicine me se khansi medicine premature ejaculation and weak nerve of penis k treatment me beneficial hai. Mujhe ye sb mere ek friend ne btaye thi jo medical ka course kar rha hai. So I think that I should have to concerned with doctor firstly about these. So may you please tell tue benefit of all these medicine below (dabur shila x), (sildenafil tablets ip manforce), (himalaya tentex forte), (slidnafil citrate tablet's vigora 50 tablets), (himalaya confido)