Usually characterized by fever, sore throat, swollen lymph nodes, and fatigue. Complete blood count with differential cell count, monospot or heterophile antibody test, and occasionally, EBV titers. Jaundice Yellow discoloration of the skin and mucous membranes as a result of increased bilirubin level in the blood. May be normal in the newborn or, if persistent or present in older infant or child, may represent underlying disease. Lead toxicity Usually results from chronic ingestion of lead in paint chips, gasoline fumes, and the like.
Most patients have no symptoms.
When severe, symptoms include irritability, decreased appetite, constipation, abdominal pain, and headache. Lyme disease Caused by tick-borne organism. Symptoms include rash, fever, malaise, headache, and joint aches. Meningitis Infection of the lining of the brain. May be caused by virus, bacteria, or other inflammatory processes.