Rehydration - rapid bolus then fluid replacement of 0.9% sodium chloride - 500ml over 15mins, 3-4L over 24hours
Steroids - 100mg hydrocortisone IV injection, followed by 200mg hydrocortisone or 24hr hour hydrocortisone IV infusion in 5% glucose or IM 50mg hydrocortisone injection every 6 hours