Hairfall may be due to various etiological factors, like thyroid problem , nutrient deficiency etc . Pls visit a trichologist for exact diagnosis and treatment . There are various treatment options available for hairfall . It will be good if u get a blood test done before the treatment which ur dermatologist will tell u to go for after taking ur medical history. Treatment options include topical solutions, nutrition supplements ( cyclical therapy ) , mesotherapy , PRP .