Salmonella Americana usually refers to the bacterium Salmonella, and infection with Salmonella is mainly associated with gastrointestinal symptoms, such as abdominal pain and diarrhea, nausea and vomiting, and in severe infections, infectious shock can occur. Salmonella causes infections in humans mainly through contamination of drinking water and food, and when food or water containing Salmonella is consumed, it can lead to infection. Symptoms are mainly fever and right lower abdominal pain accompanied by nausea, vomiting and diarrhea. If the condition is serious, Salmonella entering the bloodstream may also cause infectious shock and even death. Salmonella is treated mainly with antibiotics, such as levofloxacin and ceftriaxone, and requires isolation after diagnosis. Once gastrointestinal symptoms are present and Salmonella infection is suspected, you should go to the hospital as soon as possible to confirm the diagnosis and give the right treatment as soon as possible.