T3

[Margaret]

Is there a difference between Cynomel and Liothyrine I know that they are both supposed to be T3 but I am not feeling so well since switch to Cynomel, perhaps there is a difference in strength.

[Clutter]

Margaret, some members think Mexican Cynomel is more potent than UK Liothyronine. How much Liothyronine were you taking and how much Cynomel are you taking?

There are different excipients in different brands of T3 which may affect tolerance.

[Margaret in reply to Clutter]

I was taking 20micrograms of Liothyronin and 100micrograms of levothyroxine and occasionaly had to top up with 25micrograms of levothyroxine and now I am taking 25mcg of Cynomel and 125 micrograms of levothyroxine every day. My blood tests always come back that I am being over treated but I know that I am not because I no the symptoms when I take to much.

[Clutter in reply to Margaret]

Margaret, Overmedication can make you feel unwell. Try three quarters of a Cynomel tablet (18.75mcg) and see whether you feel any better.

thyroid.about.com/od/thyroi...

[Klagh]

Margaret,

I did not feel well AT ALL when I tried to take Cynomel. I am hyper sensitive to fillers and binders in medications, and I believe that I was possibly having a negative reaction to a Cynomel filler or binder. (Same with Greek T3, made me feel terrible.) I feel okay when I take Cytomel, except for some drowsiness after taking it.

[Hidden]

I feel drowsy when overmedicated. It can be confusing can't it.