Dexamethasone | - Loading: 10–20 mg intravenous (IV) up to 100 mg/day [23] - Maintenance: 4–8 mg/day (mild symptoms) to 16 mg/day (moderate to severely symptomatic); up to 24 mg/day [23, 44]
| - Long half-life (3–4 h with biologic half-life 34–54 h) [45] - Low/absent mineralocorticoid activity, less psychosis, improvement in clinical condition pre-operatively, lower infection risk [23]
| - Increased risk of myopathy [23] - May alter the appearance of post-contrast imaging [45] - Decreased survival among GBM patients undergoing radiation [45] - Decreased half-life in the setting of co-administration of phenytoin [47]
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