http://www.medications.com/se/Euthyrox Recent side effects for Euthyrox Sat, 05 Apr 2008 10:00:15 -0400 http://www.medications.com/effect/view/29177 Hi I have severe lower-back cramps and ache going all he way up to my shoulder blades. I guess its from the Euthyrox 25micro grams(Livothyroxine sodium) which I am taking now for over a week. I was diagnosed for hypothyroidism and my T3, T4 levels were m http://www.medications.com/effect/view/29177