Chills, Diarrhea, Fever and Nausea or vomiting. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms chills, diarrhea, fever and nausea or vomiting including Gastroenteritis, Food poisoning, and Medication reaction or side-effect. There are 139 conditions associated with chills, diarrhea, fever and nausea or vomiting.