Hyperthyroidism Test - Question

Discussion in 'Feline Health - (Welcome & Main Forum)' started by lynn and bear (ga), Jan 6, 2013.

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  1. lynn and bear (ga)

    lynn and bear (ga) Member

    Joined:
    Dec 30, 2009
    I have a question about Hyperthyroid tests - I vaguely remember there being discussions about the T3 vs the T4 test a few years ago on the old forum. I might be getting a test for Bear tomorrow, should I be asking for one or the other, or both T3 and T4?

    Any advice is appreciated. :)
     
  2. BJM

    BJM Well-Known Member

    Joined:
    Oct 6, 2010
    TSH- thyrotropin stimulating hormone - triggers the thyroid to produce thyroxin.
    Free T4 - the bioactive/available form of thyroxin which then breaks down into T3 which also is bioactive.

    (Having recently had these tests myself!)
     
  3. lynn and bear (ga)

    lynn and bear (ga) Member

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    Dec 30, 2009
    I hope yours went well. Thanks so much!
     
  4. Denise & Honey

    Denise & Honey Well-Known Member

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    Oct 12, 2012
    My civie - Monster - is hyperthyroid and I'm hypothyroid.
    My 8 year old daughter thought it was hilarious when I explained the difference and what the meds do :D
     
  5. BJM

    BJM Well-Known Member

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    Oct 6, 2010
    Actually, I'm learning more about Hashimoto's thyroiditis and thyroid nodules than I ever wanted to know. *sigh*
     
  6. Jill and Remi

    Jill and Remi Member

    Joined:
    Dec 28, 2009
    I would get both or all the possibilities checked. T3, T4 and free T3 and free T4. Also, not sure if you have visited the Yahoo hyper-t support group but I highly recommend it. Good luck.
     
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