pyrexia – MySymptom

What causes a persistent fever and chills?

1. Introduction A persistent fever and chills are primarily caused by systemic bacterial or viral infections, chronic autoimmune inflammation, or hidden malignancies. The hypothalamus raises the core body temperature in response to circulating pyrogens, triggering involuntary muscle contractions, or chills, to generate heat. Diagnosing the underlying pathology requires extensive laboratory and imaging workups to locate … Read more

Disorders Characterized by Fever: Causes, Diagnosis, and Management

1. Introduction A disorder characterized by fever is clinically defined as a condition in which the core body temperature rises above the normal homeostatic range due to an elevated hypothalamic set point. Fever, or pyrexia, is not a disease in itself but rather a systemic physiological response to an underlying pathological process. The identification of … Read more