Chills help raise your body temperature by contracting and relaxing muscles rapidly. Chills are often caused by health conditions, including fevers, low blood sugar, an underactive thyroid, and ...

Diarrhea and chills can occur with many conditions, including food poisoning, stomach flu, COVID-19, inflammatory bowel disease, acute pancreatitis, and other gastrointestinal (GI) infections. Severe ...

Chills are the sensation of feeling cold or shivery. This can happen if a person’s environment is too cold or if they have a medical condition, such as an infection. Chills, shivering, and goosebumps ...