Get a medical check, usually for me when I start losing hair it means I'm aneamic (again), once my iron levels are back up my hair stops falling out.
Also what kind of shampoo and conditioner do you use, are you under stress??
Get a nice haircut to keep your hair manageable, I got my knee length hair cut to just above my navel as it was falling out so madly and looked dreadful, I'm hoping it will grow back inshallah.
You've got to eat well, the first sign that your body is under stress is hair falling out ime, our bodies do not see hair as an essential.
Speak to your doctor too, it could be due to a hormonal imbalance.