What Causes Whole-Body Chills and Shivering?
Jan 19, 2022
Source: Cainiu Health
Dr. Guo Xiheng
Introduction
1. A normal physiological response—known as the shivering response—occurs when skeletal muscle activity generates heat, leading to generalized coldness and shivering.
2. Common cold: During the rising phase of fever, patients may experience chills and shivering, manifesting as generalized coldness and shivering, which facilitates a rapid rise in body temperature.
3. Trauma: Impaired normal circulation due to injury can result in generalized coldness and shivering.
Generalized chills and shivering may result from conditions such as the common cold, trauma, or autonomic nervous system dysfunction—or they may represent a normal physiological response. Below, we address the specific causes of generalized chills and shivering.
What Causes Generalized Chills and Shivering?
1. Normal Physiological Response
When ambient temperature drops, the brain detects the increased thermal gradient between the body and its surroundings, triggering a physiological response known as shivering thermogenesis. This involuntary muscle activity generates heat, resulting in sensations of coldness and visible shivering.
2. Common Cold
During the early phase of a cold, body temperature may begin to rise. In the temperature-ascending phase, patients often experience chills and shivering—symptoms that facilitate rapid elevation of core body temperature.
3. Trauma
Excessive blood loss following trauma can impair normal circulation, leading to generalized chills and shivering.
4. Autonomic Nervous System Dysfunction
Dysregulation of autonomic nervous system function may disrupt normal thermoregulation and neural control, manifesting as generalized chills and shivering.
Patients experiencing generalized chills and shivering should seek prompt medical evaluation and diagnostic testing to determine the underlying cause.
