Corticosteroid Duration of
action 		Anti-inflammatory
potency 		Equivalent
dose
Cortisol Short (< 12 hours) 1 20 mg
Prednisone Intermediate
(12 - 36 hours) 		4 5 mg
Prednisolone 4 5 mg
Methylprednisolone 5 4 mg
Dexamethasone Long (> 36 hours) 25 0.75 mg
Bethamethasone 25 0.75 mg