About 1yr 1/2 ago I had a total thyroidectomy due to thyroid cancer. I was only 28 at the time and was wondering what could cause this? I did suffer from a brief bout of anorexia 2 years prior to diagnoses. Also, is it possible to have normal thyroid level test results but still be exhausted all the time? Lately, in the past 6 months I have also developed an intense phobia about disease and have almost OCD like behavior? Is this type of behavior related to thyroid function?
As to what could cause thyroid cancer, as much as it sucks it just happens I'm afraid. Your anorexia isn't what caused it though. Sometimes thyroid cancer is hereditary (a couple rare forms such as the one I have) and sometimes it just shows up.
Yes you can have normal thyroid level results and still be tired. When you have your levels tested do they test T3 and T4? You'd be surprised how often they don't test our T4 levels and that could contribute to the tiredness as well.
Honestly so much could be contributing to your fatigue so it's best to consult your doctor and have them run a CBC on you in order to make sure there isn't something else going on like low iron, low magnesium, etc.
I personally have never heard of our thyroid function being related to any kind of OCD like behavior or phobia. Maybe it's just now hitting you that you had a disease (cancer) and it's scaring you that you had no control over it making you want to control your environment now? You might want to see a therapist who can help you figure out what's going on so you feel better. :)
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