http://www.medications.com/effect/view/30826 I use eltroxin 0.1mg every day for two years now and could not understand why I am always tired although I had a good night's sleep. I also became aware that I am very tempered, depressed and can do impulsive things. like buying a bike as example. Recently, Sun, 10 Aug 2008 16:38:30 -0400 http://www.medications.com/effect/view/30826?item=10963 Yes, all of those are related to hypothyroidism. Also, it depends on how your body reacts to the brand you are on. There is one brand that is causing hypo symptoms rather than treating them for a lot of people. This is the link to information about that. ( http://www.medications.com/effect/view/30826?item=10963