Hi! Hair loss is very common these days because of increased stress,nutritional deficiencies, lack of exercise and increase intake of junk food. Other causes of hair fall could be genetic, hormonal imbalances, under-active
thyroid gland, and insufficient blood circulation in the scalp.
There are many treatment options for hair loss including medications, home remedies. There are various over the counter medications available for preventing hair loss, but you need the ones most suitable to your hair type to get effective results.
Next Steps
See a Dermatologist personally.
Also following link should be helpful:
"Top Causes of Hair Loss and Hair Thinning in Women" by Dr. Jolly Shah Kapadia - https://www.practo.com/healthfeed/top-causes-of-hair-loss-and-hair-thinning-in-women-15052/post
Health Tips
Home remedies would include oiling your hair more often, include Amla/Indian gooseberry in your diet to promote new hair growth, apple cider vinegar can be effective to control hair fall and it gives soft and manageable hairs.