I'm bald at the top of my head and on the knots and my sides its been like this for about eight years with the top and I have a recent one do to sores that I pull the scalp of of and it makes my head scar and hair doesn't grow back what can I do my scalp is skin bald will I'm a 46 year old black woman that had a hysterectomy what can I do help me please

Summarized question: How can alopecia be treated?