Salmonella Gastroenteritis: A Patient's Guide

Learning about a food recall or a potential exposure to Salmonella can be alarming, but it is important to know that this is one of the most common types of foodborne illness in the United States ^[1]. In the vast majority of cases, it is a temporary, self-limiting condition that healthy adults recover from fully with rest and hydration ^[2][3].

This guide will walk you through everything you need to know about navigating your diagnosis and recovery.

In This Guide

What is Salmonella?

Non-typhoidal Salmonella (NTS) is a group of bacteria that live in the intestines of humans and animals ^[4]. When these bacteria are accidentally swallowed—often through contaminated food like eggs, poultry, or produce—they can cause gastroenteritis, which is the medical term for inflammation of the stomach and intestines ^[3].

While news of outbreaks can make it feel like a rare event, the Centers for Disease Control and Prevention (CDC) estimates that Salmonella causes about 1.35 million infections in the U.S. every year ^[1]. Because many people recover at home without seeing a doctor, it is estimated that for every one case that is officially reported, another 30 cases go undiagnosed ^[1].

Three Stabilizing Facts

If you have been exposed or are starting to feel symptoms, keep these three facts in mind to help guide your next steps:

1. It typically resolves on its own.
   For healthy adults, the illness usually lasts between 4 to 7 days ^[2]. Symptoms often include diarrhea, abdominal cramps, and fever, but most people do not require any specific medical treatment to get better ^[5][6].
2. Hydration is the primary treatment.
   The most important focus is replacing the fluids lost through diarrhea or vomiting ^[7]. Drinking water, broth, or electrolyte solutions is the standard supportive care recommended by medical experts ^[7].
3. Antibiotics are usually not needed.
   In fact, taking antibiotics for a mild case of Salmonella can sometimes be counterproductive ^[2]. Research shows that in healthy people, antibiotics do not shorten the length of the illness and may actually cause the bacteria to stay in your system longer, a process called shedding ^[8][9].

Who Needs Extra Care?

While most cases are mild, some individuals are at a higher risk for invasive disease, which occurs when the bacteria move from the intestines into the bloodstream ^[2]. You should contact a healthcare provider more urgently if the person exposed is:

• An infant under 12 months old (with those under 3-5 months at the highest risk for serious complications) ^[10].
• An adult over 65, or an adult over 50 with underlying conditions like heart disease ^[2].
• Someone who is pregnant, or has a weakened immune system due to medication or illness ^[11][2].