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Systems 3
Thyroid drugs
5
Biology
Graduate
02/06/2013

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Term
levothyroxine
Definition
-tx hypothyroidism
-SE hypersensitivity, osteopenia, pseudotumor cerebri, sz, CV events
-metabolism in liver and target tissues
-half life 6-10 days
-IM IV PO
-adequate gastric acidity required (PO)
Term
liothyronine
Definition
-tx hypothyroidism (myxedema coma)
-t3
-half life 2.5 days
Term
anion uptake inhibitors
Definition
-perchlorate
-thiocyanate
-pertechnetate
Term
methimazole
Definition
-tx hyperthyroidism
-thioamine
-only inhibits thyroid peroxidase
-SE itchy rash, arthralgia, less prothrombin, inc bleeding
-rare agranulocytosis, hepatotox,, vasculitis
-hepatic metabolism
-half life 4-6 hrs (once daily dose)
Term
propythiuracil
Definition
-prototype thioamine
-also inhibits t4 to t3
-TID
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