You need more specific medicine...You are suffering from hormonal changes causing Telogen effluvium causing hair fall. It's completely stoppable even regrowth of hair is possible with certain medications without any side effects. Treatment depends on the grade of hair loss. So, it's a must for diagnosing which grade, you are in for an effective treatment. Please  send photos of your head, by direct online consultation for accurate diagnosis and proper treatment.

Minoxidil can also cause your hair to shed, especially when you first start using it. As minoxidil speeds up the resting phase of your hair, sometimes it falls out more quickly than it normally would. However, minoxidil also extends the growth phase of your hair. The condition u r suffering from is called Telogen Effluvium. Its a slow and progressive condition but with the medication u r taking it will stabilise with time.