Original: Symptoms typically begin several hours to several days after consumption and depending on the agent involved , can include one or more of the following : nausea , abdominal pain , vomiting , diarrhea , gastroenteritis , fever , headache or fatigue .
Simplified: Depending on what the cause of the poisoning was , they can include one or more of the following : nausea , abdominal pain , vomiting , diarrhea , gastroenteritis , fever , pain in the head or fatigue .