Also known as Rigors and Shaking chills
Chills or rigor is a shaking occurring during a high fever. It occurs because cytokines and prostaglandins are released as part of an immune response and increase the set point for body temperature in the hypothalamus.Source: Wikipedia
The most common causes of chills are common cold, pneumonia, and chronic obstructive pulmonary disease (copd). Other possible causes, such as hypovolemia, are more rare.
Within all the people who go to their doctor with chills, 89% report having fever, 71% report having cough, and 58% report having sore throat.
Patients with chills often receive hematologic tests, complete blood count, radiographic imaging procedure, urinalysis, plain x-ray, intravenous fluid replacement, kidney function tests and glucose measurement .
The most commonly prescribed drugs for patients with chills include oseltamivir (tamiflu), robitussin dm, cefepime, guaifenesin / hydrocodone, acetaminophen / chlorpheniramine / dextromethorphan / pseudoephedrine, chlorpheniramine / dextromethorphan / pseudoephedrine, acetaminophen / dextromethorphan / diphenhydramine / pseudoephedrine, halobetasol topical, cefpodoxime, codeine / guaifenesin / pseudoephedrine, lincomycin, brompheniramine / phenylpropanolamine and amitriptyline / chlordiazepoxide .