I have been on Levoxyl for about 13 years now I am 26. Last year ...

I have been on Levoxyl for about 13 years now I am 26. Last year I started experiencing joint pain and was diagnosed with rheumatoid arthritis. Lately I have been having dizzy spells where I get hot and feel like I need to sit down before I pass out. Also experiencing extreme fatigue off and on for about 5 years. Now after reading this I am wondering if all this is related to the Levoxyl. I am wondering if people who have been on the med awhile started noticing side effects years into their treatment as I don't remember these symptoms when I first started the med. Also what are other options prescription wise. After seeing this site I am going to go see an endocrinologist and discuss all this with them.