I just switched from Synthroid to Armour about 2 months ago. I think I am on 1gr (?) of Armour. I've felt slightly unwell for a few weeks - I feel a little dizzy and my legs feel weak (strangely only when I sit). Also I have missed my period. I was going to see my obgyn but thought to check side effect for armour and this seems like the problem. My doctor is away until next week. Should I stop/reduce the armour until then? Or go see another doctor sooner? I'm not sure how serious this is. Also going forward wondering if I should go back on synthroid as I was happy on that. Thanks for any advice.