Calculates dexamethasone dosing for vasogenic cerebral edema from brain tumors or abscesses. Standard: 4–10 mg IV/IM every 6 hours (16–40 mg/day). Loading dose: 10 mg IV. NOT effective for cytotoxic edema (ischemic stroke, TBI). Monitor blood glucose (steroid-induced hyperglycemia), psychiatric effects, and GI toxicity with prolonged use.
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