How Can Persistent Migraine With Weakness Be Treated?

hi, I m naveen from ambala. My mother has a problem of headache from last 6-7 years n she is 44 years old. Doctors says its a migraine problem, and from last week she is again suffering pain in centre part of head and weekness also, so i m very much worried about her please tell me wat is the exact problem i will be very thankful....