Getting a Bald! HELP!

Patient: Hey! I am from Asia & I’m 19. My hair has become too much rough, thin, dry and a brownish within last 1.5 year. Had para typhoid about 1 year ago,but didn’t cut my hair. Now I loose 10-20 hair daily. But those do not regrow ever. Day by day I’m becoming bald. I have Thyroid problem and for this taking medicine from last 10 years. Recently when I touch my hair I feel less hair than ever! How to grow New Hair? Please help me!