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.
Symptoms of Leigh's disease usually progress rapidly. The earliest signs may be poor sucking ability, and the loss of head control and motor skills. These symptoms may be accompanied by loss of appetite, vomiting, irritability, continuous crying, and seizures.eigh's Disease Definition. Leigh's disease: A rare genetic disorder characterized by progressive damage to the central nervous system. Leigh's disease is caused by a defect in the function of mitochondria within the cells of the body.