Table 2.

Systemic availability of different glucocorticoid formulations

Steroid formulation	Bioavailability	References
IV	>90%	561-563
Oral	76-99%	561-567
Nasal	First generation 40-50%	568
	Second generation 10-34%
	Third generation <2%
Inhaled	30-37%	569
Intra-articular	N/A
Topical	N/A

Abbreviations: IV, intravenous; N/A, not available.