I stopped using minoxidil. As before?

I stopped using minoxidil from 3 months, till how long my hair will fall after stopping minoxidil? When my hairs become normal again?please help Description: I went to dermatologist to treat acne and hair fall, but doctor gave me minoxidil , I used minoxidil 2% for 3 months and switch for 5% for 3 months while using 5% minoxidil my scalp start itching and my heart beating rate increased and my eyes start swelling so discontinue the use of minoxidil. Before starting minoxidil treatment my hair was thick , while using minoxidil also my hair was thick , after stopping minoxidil my hair became too thin and hair fall increased ,how to get by my hair to normal please help Now I started using BTN ultra biotin tablets While my hair became same as before?