dexamethasone
A steroid which is used extensively by neurosurgeons.  This helps to reduce edema (swelling) of the brain and spinal cord.  Side effects are considerable.  They may cause gastritis and ulcers, and antacids or H2 antagonists should be used.  A number of other significant side effects can occur.  Diabetes may be precipitated, and immunosuppression may occur, making infection more likely

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