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26 Cards in this Set

  • Front
  • Back

Fludrocortisone


Minoralocorticoids


Use after adrenalectomy or adrenal insufficiency


Orally


Cause- hypokalemia

Spironolactactone

Competitive antagonist at aldosterone receptors in the DCT


increase K


Decrease Na


Cause- hyperkalaemia


Hyponatremia


Gynacomastia


Irregular menstrual cycle

Glucocorticoids ADR

Orophargeal carcinoma


Purple stria

MOA glucocorticoids

Inhibit vitamin D mediated Ca absorption


Hypocalcemia


Secondary hyperparathyroidism

Corticosteroids

Prednisone- orally pro drug must be converted to prednisolon


Dexamethasone- long


Betamethasone- long

Amiloride

Increase potassium and calcium

Levothyroxine

Orally


Choice of choice


Use for hypothyroidism


ARD- tachycardia


Heat intolerance


Tremors


Prevent mental retardation in children with thyroid deficiency

Liothyronine

T3


More potent than T4


Treat myxedema with levothyroxin


Mote expensive than T4

5'deodinase

T4-T3

5 deodinase

T4- inactive T3

Propylthiouracil PTU

Inhibit oxidation iodination coupling and peripheral conversion of T4-T3 of thyroid synthesis


Orally


Crosses placenta


Better used in pregnancy because less free drugs cross the placenta


Short half life

Methimazole

More active the PTU


More potent in oxidation but do not inhibit coupling or peripheral conversion of T4-T3


Orally


Carbimazole-methimazole


Crosses placenta

Thioamides

Use for hyperthyroidism


Thyroid storm


Preparation for thyroid surgery

Thioamides ADR

hypoprothrobinemia


Agranulocutosis


Vasculitis

Iodides

Inhibit iodine metabolism


Angioedema


Burning of the mouth and throat


Crosses placenta cause gioter


Hyperthyroidism


Decreases size and vascularity of hyperplastic gland

Radioiodine

Hyperthyroidism


Thyroid cancer


Incorporate in thyroglobulin


Half life 10days


Not expensive and pain free treatment

Lithoum

Use for hyperthyroidism


Cause hypothyroidism


Inhibit thyroid hormoned

Amidorarone

Use for hypothyroidism


Resemble thyroid hormone


Can cause hyperthyroidism

Sulfonylurase

Type 2 diabetes


Enhance insulin release from pancreatic beta cells


2nd generation more potent


Orally

Glargine

Long acting insulin

Lispro

Short acting insulin

Drug interaction of insulin

Increase hypoglycemia


Alcohol- inhibit gluconeogenesis


Salicylates- increase beta cell sensitivity to glucose and enhance insulin secretion


Beta antagonist

Half life of thyroid home

T3- 1day


T4- 6days

Drug interaction of Thyroid

Cholestyramine


Sucralfate


Beta blockers


Oestrogen

Lugol's solution

Mixture of iodine and potassium iodide

Coritiocosterides in thyroid

Inhibit 5'deiodinase thus no conversion of T4-T3