What Causes Premature Greying Of Hair With Hair Loss?

hi, i am ali.

its been 4 years i had a typhoid fever....before that fever my hairs was very healthy and beautiful but after that fever i am very tensed because of my hair falling :(

after that typhoid fever my hairs are falling continuously and start getting white :(

i am very tensed....plzzzzzzzzzz tell me that what should i do for get back my healthy black hairs....desperately waiting for your reply...my e.mail address YYYY@YYYY