I'm 24 years old, using Minoxidil 5% for 1 month - my hair is still falling out badly. When will I see a result?

iam 24yrs old...using minoxidil 5% as prescribed by dermatology....still my hair is falling so badly...in the 1st-15dayz of minox evrything was ok but after one month huge hair is falling what do do...should i stop it..?wen will i get the result...iam very concern..