How Long Does It Take For Minoxidil Topical Solution To Arrest Hair Fall?

Im taking treatment since 2yrs for my hair loss..in between it be came much better with amexidil 5 percent spray..but i stoped using dis bcoz no more hair loss..but after few days my hair loss started again..soo i started useing same amexdil..but still im lossing more hair..then i want an meet my doctor he gave me this time minoxidil topcal solution 10.i been using dis from almost 13days..but still im loosing my hair an lot..
Soo my question is hw long will it take, an show the effect on my..or should use amexidil 5 or keep useing minoidil 10.