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Hyperthyroidism Test - Question

Discussion in 'Feline Health - (The 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

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

    Denise & Honey Well-Known Member

    Joined:
    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

    Joined:
    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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