A 44-year-old man with Addison disease develops vomiting and diarrhoea and is unable to keep his usual hydrocortisone tablets down. He is hypotensive and has abdominal pain. What is the most appropriate immediate management?AGive oral hydrocortisone once nausea settlesBAdminister IM or IV hydrocortisone and IV saline urgentlyCAdvise rest at home and double usual oral doseDStart fludrocortisone onlyEWithhold steroids to avoid immunosuppressionCheck my answer