[header] How to recognize salmonella poisoning (salmonellosis ) [title] Take note of nausea and vomiting. [step] Salmonella poisoning's number one symptom is often nausea and vomiting. Because people often contract salmonella poisoning as a result of eating something contaminated with feces, your body's natural response is to void the contents of your stomach. 
[substeps] Although nausea is the most common symptom of salmonella poisoning, there are a number of other ailments that may cause the same symptom. If you are vomiting, you will need to rehydrate, but avoid drinking water immediately after vomiting.