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Chills

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Title: Chills  
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Subject: Constitutional symptoms, Fever, Idiopathic pneumonia syndrome, Epidemic typhus, List of medical symptoms
Collection: Symptoms and Signs: General
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Chills

Chills is a feeling of coldness occurring during a high fever, but sometimes is also a common symptom which occurs alone in specific people. It occurs during fever due to the release of cytokines and prostaglandins as part of the inflammatory response, which increases the set point for body temperature in the hypothalamus. The increased set point causes the body temperature to rise (pyrexia), but also makes the patient feel cold or chills until the new set point is reached. Shivering also occurs along with chills because the patient's body produces heat during muscle contraction in a physiological attempt to increase body temperature to the new set point. When it does not accompany a high fever it is normally a light chill. Sometimes a chill of medium power and short duration may occur during a scare, especially in scares of fear, commonly interpreted like or confused by trembling.

Causes

Chills are commonly caused by inflammatory diseases, and may be caused by scares, especially by the fear scares or jumpscares. Sometimes they happen in specific people almost all the time, in a slight power, or it less commonly happens in an generically healthy person.

See also

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