Merck Manual

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Relative Potencies of Commonly Used Corticosteroids

Relative Potencies of Commonly Used Corticosteroids

Compound

Relative Glucocorticoid Activity

Relative Mineralocorticoid Activity

Duration of Effecta (Alcohol Form)

Cortisol

1

1

S

Prednisone

5

0.8

I

Prednisolone

5

0.8

I

Methylprednisolone

5

0.5

I

Fludrocortisone

10

125

I

Isoflupredone

25

25

L

Triamcinolone

5

0

I

Triamcinolone acetonide

30

0

I

Dexamethasone

25

0

L

Betamethasone

25

0

L

Flumethasone

120

0

L

a S = short (~12 hr), I = intermediate (~24 hr), L = long (~48–72 hr)