Thyroid Pharm

Question 1

Synthroid

Answer 1

Levothyroxine

Question 2

Levothroid

Answer 2

Levothyroxine

Question 3

Levothyroxine

Answer 3

First line for hypothyroid
synthetic T4
Once Daily

Question 4

Levothyroxine SE

Answer 4

Should be taken on empty stomach

Caution in cardiac. Interact w/adrenergic effects or decongestants

Question 5

Liothyronine

Answer 5

Synthetic T3
Short half life = not for routine use hypothyroidism
Avoid in cardiac disease

Question 6

Liotrix

Answer 6

4:1 T4/T3
$$$
Rarely recommended
For hypothyroidism but may cause low TSH

Question 7

Thyroid USP or Strong

Answer 7

Porcine thyroid extract
Protein antigenicity
Not recommended

Question 8

Methimazole

Answer 8

Thionamide

Preferred

Question 9

Propylthiouracil

Answer 9

Thionamide
Safer in pregnancy
But more hepatotoxicity

Question 10

Thionamide

Answer 10

Block iodine organification
Caution in in pregnancy
Best for mild hyperthyroidism or younger patients

Question 11

Thionamide SE

Answer 11

pruritic rash, gastric intolerance, arthralgias,

Agranulocytosis

Question 12

SSKI

Answer 12

Iodides

Question 13

Lugol’s solution

Answer 13

Iodides

Question 14

Iodides

Answer 14

High doses inhibit TH synth
Rarely used alone for hyperthyroid
Initiate after thionamide therapy

Question 15

Radioactive Iodine

Answer 15

Slowly destroys gland for hyperthyroidism
Patients > 21
Contraindicated in pregnancy
80% get hypothyroidism instead

Question 16

Thyroid Storm

Answer 16

Beta Blockers & Hydrocortisone

Sx: fever, flushing, sweating, tachycardia/afib, delirium, coma