hello thank you for trusting HCM dear vomiting and diarrhoea can acute in food poisoning.other symptoms like loss of appetite mild fever,weakness,nausea,headaches. treated with plenty of fluids and ors liquid.rest and symptomatic treatment with tab.zofer twice a day,tab imodium twice a day, low fat diet and low caffeine diet is useful still symptoms persisten you have to consult your doctor he will examine and treat you accordingly. I think I answered to your question if you have more questions feel free to ask. take care