<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am 19 years old and ever since I was a freshmen in high school I have had nights where Ill wake up nauseous, with stomach pains and the chills. Over the years I just dealt with it but over the last 2 months it has become worse. Lately its been every night lasting up to an hour and a half. I need to know whats going on  <response>: Hi. Thanks for your query and an elucidated history. You have got very odd symptoms, timely ... a 19 years old has nausea, stomach pains and chills which now has increased over 2 months, lasts for hour and half. The causes can be :There may be a close cavity infection like Liver abscess appendicitis Diverticulitis. I would advise:CT scan of the abdomen. Upper and lower GI Endoscopy.a Course of antibiotic and metronidazole 