Hashimoto's disease
"Thyroid was removed a year ago for papillary cancer, been on levothyroxine since. Gained 20 pounds on generic levothyroxine and felt awful, would wake up with a puffy face and eyes even though blood tests showed in range. My endo just switched me to tirosint and after one week I feel so much better. My face and legs are retaining less water, last time I felt this good was prior to my thyroidectomy. I have celiac and crohns which probably caused absorption issues. I also hate dairy and generic levothyroxine has a dairy base, go figure."