Initial Drug of choice for suspected case of acute adrenal insufficiency is:

Answer is C (Dexamethasone): The treatment of choice for acute adrenal insufficiency is Glucocoicoid Replacement Therapy. In cases where the diagnosis of acute adrenal insufficiency is suspected (not confirmed) Dexamethasone is preferred as the initial steroid of choice because Dexamethasone does not compete with the coisol assay. Cosyntropin stimulation testing may be performed while the patient is on treatment.