Glucocorticoids are a type of steroid hormones which are present in all vertebrate animal cells and plays a part in regulating the metabolism of glucose.
 
 
Recommended Resources
Cochrane Reviews: Glucocorticoids for Croup
Scholarly review starts out with the fact that some steroidal drugs can improve croup in children after a very short time and explains the method, objectives, and results of the study about this topic.
http://www.cochrane.org/reviews/en/ab001955.html
Describes cortisol and glucocorticoid receptors, the physiologic effects of these hormones, both on metabolism and immune function. Also addresses control of cortisol secretion.
http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/adrenal/gluco.html
Contains details about glucocorticoids, how they work and links to references which detail the agent further.
http://www.neurotransmitter.net/glucocorticoids.html
Pros and Cons of Glucocorticoids
Weighs the good and bad about these hormones and helps to express methods by which the patient can do the same. Contains information about how glucocortoids work, the benefits and drawbacks of treatment with inhaled glucocortoids, combination therapy and more.
http://copd.about.com/od/emphysema/a/glucocorticoids.htm