05 Thyroid Drug Flashcards

1
Q

Propylthiouracil (PTU)

A

Thioamides,第一線藥物
抑制甲狀腺素合成、抑制T4變T3
用在比較不急迫的病患
容易有白血球過低的副作用

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2
Q

Thiocyanate

A

Ionic inhibitors ,和碘競爭NIS,抑制典進入細胞

但實際效果差,太慢,容易產生Aplastic anemia

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3
Q

Iodine salts and iodine

A

用高劑量的碘產生負回饋(Wolff-Chaikoff effect)
抑制TH釋放,但容易復發
藥效快,用於Thyroid storm

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4
Q

Radioactive iodine

A

破壞甲狀腺,用於治療甲狀腺癌

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5
Q

Thyroid storm 治療?

A
  1. PTU in large dose
  2. Iodide 1 hr after PTU
  3. β blocker
  4. Dexamethasone:類固醇作用於腦垂腺抑制 TSH 分泌
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