Loss of appetite, nausea. What's going on?

There are many reasons for loss of appetite and nausea. For example, the patient's stomach is infected with bacteria, causing a cold, which will lead to low appetite, nausea symptoms, accompanied by vomiting, fever and other symptoms. If the patient eats too low food poisoning, it will also lead to low appetite, vomiting. If women, it may be caused by pregnancy, early pregnancy reaction generally lasts for three months, and will gradually disappear after three months. There may also be symptoms caused by hypotension and hypoglycemia. Specific reasons suggest that patients go to the hospital for examination in time.