Hello Dr.M, I am a 50 year old, still having monthly periods, under tons of stress ,all my life on the skinny side, anemic for the past 4 years, I had my son at 41 y, my mother diagnosed with pituitary adenoma , surgery and adrenal deficiency treatment. My blood work revealed a THS 5.5 ,md wrote prescription for .50 synthroid . Not sure that I am ready to take it . My main complain is extreme fatigue .