http://www.medications.com/effect/view/40095 Someone PLEASE help or offer assistance! I have been on 50mcg Synthroid for about 1.5 yrs now and have gained about 25 pounds!! I am a very, very active triathlete, not just your 30 mins on the treadmill kind of girl. How about running 5-6 miles, riding my Thu, 19 Mar 2009 17:23:18 -0400 http://www.medications.com/effect/view/40095?item=18210 hello ive been on this medicine for 3 weeks (but the 75mcg) and ive lost 5lbs. I had the hardest time losing weight but now Im doing good. Do you have hypo or hyper thyroidism? http://www.medications.com/effect/view/40095?item=18210 Fri, 20 Mar 2009 11:41:09 -0400 http://www.medications.com/effect/view/40095?item=18255 Go to your doctor and ask him/her to put you on Armour thyroid. The last few months that I took synthroid I was a mess. I was so irritable, stayed hot all the time, could cry at the drop of a pen, no energy, had a mental tag that no matter how hard I tri http://www.medications.com/effect/view/40095?item=18255 Fri, 20 Mar 2009 14:50:55 -0400 http://www.medications.com/effect/view/40095?item=18263 I still do not understand why so many people gain weight on synthroid. and it seems the professionals have nothing to say about it. I have been on synthroid for years and so have many of my friends and we all struggle with our wieght since starting sy. I w http://www.medications.com/effect/view/40095?item=18263