Condition analysis:

Hello, sudden onset of nausea accompanied by dizziness and diarrhea symptoms may be related to acute gastroenteritis caused by catching a cold or improper eating. It is recommended to give omeprazole or norfloxacin. Floxacin and montmorillonite powder. If the diarrhea symptoms are severe, it is recommended to go to the hospital for routine blood and stool tests to understand the infected population, and provide infusion treatment if necessary.

Opinion and Suggestions:

Pay attention to rest, avoid cold and fatigue, eat a light diet and avoid spicy and greasy food, drink more hot water, keep your abdomen warm, and observe changes in body temperature.