Headache, weakness, legs musle pain.

I have been headache only portion of head for last 4 years, some time it happen in left and after some time it happen in right side of head. My eight sight is also very weak, which i maintain my routine check up (every six month). But according to my eye's specialist head ache is not related to eyes, its a symptoms of migraine. I am also feeling weakness generally, some times there is lots of pain in my legs's mussel. I have also a problem of brittle nails in my hand. My height is 4 feet 10 inch and weight is 46-47, but I have a also a problem of belly fat, that looks like I a 3-4 months pregnant lady belly. I have feeling irritation and headache from sunny day, rainy days and too much cold days, also from sun, light sound and crowd. I am a short temper person and being angry any little things, start weeping quickly, very emotional. I have also a problem of irregular mensuration. I am losing my hair day by day.