Hi, The symptoms you are describing, including abdominal pain, body chills, vomiting, and coughing fits, can be caused by a variety of conditions. Some possible causes include: * Gastroenteritis: This is an infection of the stomach and intestines that can cause symptoms such as abdominal pain, nausea, vomiting, and diarrhea. * Food poisoning: This is caused by eating contaminated food and can cause similar symptoms to gastroenteritis. * Inflammatory bowel disease (IBD): This is a chronic condition that affects the digestive tract and can cause symptoms such as abdominal pain, diarrhea, and vomiting. * Pancreatitis: This is inflammation of the pancreas and can cause abdominal pain, nausea, vomiting, and fever. * Gallbladder disease: This includes conditions such as gallstones and cholecystitis, which can cause abdominal pain, nausea, and vomiting. * Appendicitis: This is inflammation of the appendix and can cause abdominal pain, fever, and vomiting. * Viral infections: Certain viral infections, such as the flu, can cause symptoms such as body chills, nausea, vomiting, and fatigue. * Bleeding disorders: Nosebleeds can be a symptom of a bleeding disorder, and vomiting can be caused by bleeding in the gastrointestinal tract. While it is difficult to determine the exact cause of your symptoms without a physical examination and further testing, it is important to seek medical attention if your symptoms persist or worsen. A doctor can perform a physical examination, order blood tests and imaging studies, and provide treatment recommendations based on your specific condition. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Priyanka, General & Family Physician