Does Minoxdil And Finastride Help In Controlling The Hair Fall?

I m suffering from hairfall mainly from front and side area from last 6 month.. I went to a famous doctr and he prescribed me minoxdil 5 % oil . Finastride tablet. Scalpe shamoo...will it stop my hairfall..and how much time wil it take.. is there ny side effect.. I m 21 year old ...