Massive hairfall in last 6 months.

Hello, I am facing genetic pattern baldness. I am using Minoxidil 5% as suggested by doctor from past 2 years, first Year the hairfall was normal and in control, but in these resent 6-8 momths I have faced massive hair fall. In recent months I was facing from a huge dandruff/fungus problem so my doctor consulted me to stop minoxidil and gave me medications ( kelozenol shampoo and a hair cream )  for the problem. The dandruff problem is almost solved now but I have lost 50-60% of my hairs from crown/ top of my head. I recently started using minoxidil again it is non alcoholic I guess ( Anasure 5% usp ) but I think it's again increasing my scalp itching problem. I am confused and terrified at same time, as I don't want to loose any more hair and can't afford costly treatments as I am a collage student. Any advice would be appreciated. Thankyou so much for your time.