http://www.medications.com/effect/view/25912 175 mcg Synthroid, post Total Thyroidectomy due to bilateral papillary thyroid cancer. Increased appetite and increased bowel activity have been noted as well as a weight gain....even though my level of medication would normally be categorized as hyperthyr Thu, 03 Jan 2008 19:18:21 -0500 http://www.medications.com/effect/view/25912?item=3794 I stopped taking synthroid becuase of the side effects. It was a huge mistake to go years without treatment, but when my dose went to 175 I gained so much weight! about 50 lbs in a few months. Horrible. I have now started on Amour Thyroid, and I feel b http://www.medications.com/effect/view/25912?item=3794