I've been on a 25 mcg dose of Levothyroxine since April 2015. My TSH when starting was 5.64 (free T4 was 1.20) - it has since gone down to 2.77 (free T4 is now 1.33). My ENT tested me for thyroid antibodies and they came back in normal range (Thyroglob AB <1 and Thy Peroxid AB <1). I am still having the symptoms that brought me to the doctor in the first place - extreme fatigue, some hair loss.
When I first started the levo, I weighed around 150 lbs. Since then, I've gained at least 50 pounds, and seeing how as I haven't changed my diet/exercise routines, I've linked the weight gain to the Levothyroxine. This is exacerbating some pre-existing conditions (my joints hurt, I seem to sprain joints more easily than before) Honestly, when you put me next to my pregnant sister in-law, I look more pregnant than she does due to the weight gain. I'm only 26 and extremely self conscious - This is hard to come to grips with.
I messaged my general physician after reading that a lot of people had success when switching to Armour Thyroid. After clearing it with medicaid (wanted to make sure it would be covered), we decided that I will switch to taking 15 mg of Armour Thyroid once per day instead.
My questions are these:
1) Has anyone else experienced weight gain on the Levothyroxine without any changes to diet or exercise habits?
2) Are there any symptoms I should be on the lookout for while switching?
3) What have your experiences been when switching from 25 mcg of Levothyroxine to 15 mg of Armour Thyroid?