 [ Symptoms ] does hair fall stop immediately with the use of proscar [ Disease ] both minoxidil and finasteride takes time to act and in some cases it will take two to three months both are fda   food and drug administration approved for androgenic alopecia you should always remember that if it is used once then you need to take it for a lifetime otherwise you would come to a previous stage of baldness for further doubts consult a dermatologist online   > <link>