What Causes Severe Hair Loss After Taking Ayurvedic Medicines?

i was taking medicines of fungus from ayurvedic doctor. he told me to take it for 10 days but i took it for 30 days. then my hair fall problem started and after one and half month it become a major problem. my age is 18 years old and i am a boy . i am using chlorim b and tugain solution 2 as medicines from one month. my hair fall problem is reduced but no new hair are growing yet.