Ths level is 477 / had thyroid cancer 1991/ quit taking Synthroid (thyroxine) approx. 9 mo ago / is 477 dangerously high?

Simple answer. YES! Why did you stop? Please have your doctor check all your current thyroid labs and make plans to correct things. Your T4 and T3 (liothyronine) are probably quite low. Do not delay. If your T4 and T3 (liothyronine) are normal please have your doctor refer you to a thyroid specialist.

Related Questions

In July my THS was 1.54, in August 0.14 on dosage of 137 mcg Synthroid (thyroxine).T4 free 37pmol/L Thyroid cancer No RAI I dont'n know what cause this big change?

Actually. in the "low" TSH "range" there is not a lot of difference in those values. You indicate that thyroid medication is being given for a thyroid cancer of some kind and that RAI has not been given. I therefore "assume that your Physician (?Endocrinologist) is trying to SURPRESS your TSH (thus the 0.14 is BETTER than the 1.54 readings!! SO IT'S NOT REALLY A "BIG CHANGE " and in fact is BETTER..!!! Z. Read more...

I've had thyroid cancer 2 years ago, I take the name brand synthroid (thyroxine). Is it okay for me to take diet pills?

No problem. Most thyroid cancers do well after surgery if nodes were neg. and age at surgery under 40. If all is well after surgery which removes a major part if not all of the thyroid, there is a tendency to have low levels of thyroxin requiring oral supplements and patients tend to put on wt. Taking diet pills may even be helpful if there was a significant wt. increase post surgery. Read more...
Free T4 check. Diet pills OTC are not FDA regulated and have been shown to contain drugs like spironolactone and various hormones as well as other contaminants. Most contain a large amount of caffeine. One diet pill can put a patient into the ER with an arrhythmia. Please use caution. Exercise and a healthy diet for weight loss is. Some people also do better at the high end of the normal range for thyroxine. Read more...

I take Synthroid (thyroxine) as I had thyroid cancer several years ago and had my thyroid removed. Is Gacinia Cambogia safe for me to take?

Do not take it. It is an herbal supplement touted as a weight loss aid. As a supplement, it is not regulated by the FDA and does not have to prove that it is effective. Your best bet if you are trying to lose weight is to eat less and exercise more. I would not take cacinia cambogia if i were you. Read more...