Ok, I am and have been on this med (100 mcg)since April 05. It was suppose to help regulate my thyroid. I have not had a weight issue until 2 yrs ago and they recently found my thyroid become wacked after not having this problem for years. I have bloated up and feel like a stugffed pig, I drink the required water but that does nothing. I too get the heart palpitations or anxiety flutters where I have to STOP everything. My right foot and ankle sometimes become tight and numb but it is said this is normal. How true is that? I have read someof you experienced this. My appetite has not been supresssed and I see no bebeficial facotrs of this med. I am considereing a request to be taken off of this medication because its initial purpose was to HELP with my sudden weight issue and Thyroid issue and I went from 145 and now sit at 230 lbs +/- 7 lbs (water weight). I think we have a problem here and I need it fixed, any suggestions or has anyone else gained weight also or find beneficial uses of this drug? What happened to old fashioned synthroid they use to give out?????