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Cortisone is a naturally occurring, mostly inactive pregnene (21-carbon) steroid hormone. In the body, cortisone is produced as part of the cortisol–cortisone shunt, which protects vulnerable organs like the kidneys from cortisol. These organs produce the enzyme 11β-HSD2 which locally converts cortisol into inactive cortisone. Cortisone is later converted back into the active steroid cortisol by the enzyme 11β-HSD1, particularly in the liver, which maintains blood cortisol levels. Without the reaction converting cortisol into cortisone, cortisol binds with the mineralocorticoid receptors of the kidney, causing hypertension along with the other symptoms of apparent mineralocorticoid excess syndrome. Because it gets converted into cortisol by the body, it is sometimes used as a pharmaceutical prodrug as an alternative to directly taking cortisol.
Read the full article on WikipediaFor prescribing by certain health practitioners Clinical criteria: Treatment criteria: Must be treated by a health practitioner who is any of: (i) a medical practitioner, (ii) a nurse practitioner who is continuing treatment with this medicine (of any strength) that was initiated by a medical practitioner as a PBS benefit.
The condition must be stable for the prescriber to consider the listed maximum quantity of this medicine suitable for this patient. Clinical criteria: Treatment criteria: Must be treated by a health practitioner who is any of: (i) a medical practitioner, (ii) a nurse practitioner who is continuing treatment with this medicine (of any strength) that was initiated by a medical practitioner as a PBS benefit.
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