Your doctor may suspect mononucleosis based on your signs and symptoms, how long they've lasted and a physical examination. He or she will look for signs like swollen lymph nodes, tonsils, liver or spleen, and consider how these signs relate to the symptoms you describe. Blood tests. Antibody tests.
Addison's disease symptoms usually develop slowly, often over several months, and may include: Extreme fatigue. Weight loss and decreased appetite. Darkening of your skin (hyperpigmentation) Low blood pressure, even fainting. Salt craving. Low blood sugar (hypoglycemia) Nausea, diarrhea or vomiting.
The paper, Jane Austen and Addison's Disease: an unconvincing diagnosis, admits that some of Austen's symptoms were consistent with adrenal failure, and points out that we may not know all of Austen's ailments because her sister Cassandra edited or destroyed many of Jane's letters.