I've been on 75mcg levothyroxine for the past 6 weeks and my symptoms feel so much worse. I am so tired, my mind is foggy, my body hurts, I've gained 10 pounds. I told my endo and all she tells me is "No No the synthroid is to make you better". I think I am on too low of a dose. My levels when I went to the endocrinologist 2 weeks ago were 12.5 and she won't do anything with the dosage for another 6 weeks when I get bloodwork.