Can minoxidil regrow hair if disease causing hair loss is treated?

i am 18 years old i was suffering from from ovarian cyst now having pills nd size of cyst is reduced but my hair fall had problem from last 3 yrs so my whole scalp is visible under sun. will using minoxidil regrow hair(not temporary) now my hair fall is less (may be due to size of cyst) but want fast growth of hair but i heard that my hair will remain only till time i use minoxidil and it will fall when i stop using it