Chills as a symptom indicate an unpleasant feeling of cold accompanied by shivering. Chills are almost always related to infection (usually bacterial infections) and high fever.
Chilling sensations may accompany virtually any infection that develops into septic condition. Most common infections related to chills are mentioned below.
This tropical disease caused by a protozoan parasite known as Plasmodium manifests with recurring episodes of fever accompanied by chills. Malaria bouts are related to episodic breakdown of erythrocytes.
Chills as a symptom can be treated by lowering the fever by non-steroidal anti-inflammatory drugs. We must also not forget that patients with high fever tend to loose fluid and dehydration must be prevented.