Mrs. Chen has a known history of Addison's disease, managed on daily oral hydrocortisone. She was admitted overnight with two days of vomiting and diarrhea from a viral illness and has not been able to keep her morning dose down. She now reports abdominal pain and looks lethargic.
Before you move on, notice:
What is the priority nursing action?
She is actively vomiting and cannot reliably absorb an oral dose, and oral replacement is too slow for what this picture is becoming anyway.
A patient with known Addison's disease who is vomiting, hypotensive, tachycardic, and lethargic is heading into an Addisonian crisis. She needs IV hydrocortisone urgently, and getting the provider notified now is what makes that happen.
Oral fluids won't stay down given the vomiting, and fluids alone don't correct the underlying cortisol deficit driving this crisis.
100.9°F is a mild fever, not a temperature requiring active warming, and treating it does nothing for the falling blood pressure and cortisol deficit that are the real emergency here.