I am very much scared about my hair loss please

Patient: Hi Doctor,I am 25 years old, have a sudden hair fall for the past two months and i consulted a doctor he suggested me use MX-5 and also a hair grow tablet each every day. I am using it for the past 15-20 days but still i see my hair fall much, when i comb i feel cried that my hair keeping on loosing.Is it advisable for me to continue the usage or to stop using it. If i stop using it will there be any adverse effects.Please help me out am very much tensed.

Symptoms: Coughing