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What can affect a parathyroid hormone (PTH) test?

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  1. Healthwise
     
    Healthwise answered:

    Reasons you may not be able to have the test or why the results may not be helpful include:

    • Taking medicine that raises PTH levels. These include lithium, furosemide, rifampin, anticonvulsants, thiazide diuretics, and medicines that contain phosphate.
    • Taking medicine that lowers PTH levels. These include cimetidine (Tagamet) and propranolol (Inderal, Innopran).
    • Being pregnant or breast-feeding.
    • Having high cholesterol or triglyceride levels.
    • Having a scan that uses a radioactive tracer within 1 week of PTH test.
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    More Related Answers from Healthwise
    Reasons you may not be able to have the test or why the results may not be helpful include: Taking medicine that raises PTH levels. These include lithium, furosemide, rifampin, anticonvulsants, thiazide diuretics, and medicines that contain... More

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