How Do You Know if You Have E. Coli or Salmonella? (2024)

  • Definition
    • What is E. coli vs. salmonella?
  • Symptoms and Signs
    • What are symptoms and signs of E. coli vs. salmonella?
  • Causes
    • What are causes of E. coli vs. salmonella?
  • Diagnosis
    • How to diagnose E. coli vs. salmonella
  • Treatments
    • Treatments of E. coli vs. salmonella
  • Comments
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What is E. coli vs. salmonella?

How Do You Know if You Have E. Coli or Salmonella? (1)

E. coli and salmonella are both bacteria that can cause food poisoning. You can potentially catch pathogenic E.coli from infected animals or people whereas salmonella occurs in raw poultry, eggs, beef, and occasionally unwashed fruits and vegetables.

E. coli and salmonella are both bacteria that can cause food poisoning. If certain strains of either bacteria enter your body, you can become physically ill. You may experience vomiting and diarrhea with both. Symptoms typically resolve themselves within a week, but if your symptoms persist you will need immediate medical attention.

Both bacterias are primary causes of food poisoning, but it's important to know which one you have so that you can properly address your symptoms.

What is E. coli?

E. coli (Escherichia coli) is a bacteria that typically lives in your intestines. It’s also found in an animal's intestines. Most E. coli is actually harmless, but there are certain strains that cause illness through contaminated water or food. You can potentially catch pathogenic E.coli from infected animals or people.

What is salmonella?

Salmonella is a group of bacteria that is a primary cause of foodborne illnesses. Salmonella occurs in raw poultry, eggs, beef, and occasionally unwashed fruits and vegetables. You can even get salmonella from handling certain pets.

What are symptoms and signs of E. coli vs. salmonella?

E. coli and salmonella may have similar symptoms as they are both bacterial infections. You may not experience all of these symptoms, and there are some differences. Most often, your symptoms will appear suddenly after you have become infected.

Symptoms of E. coli

E. coli symptoms typically occur two to five days after you’ve been exposed to the harmful bacteria. There are some cases where infected people have no symptoms at all but can still spread the bacteria to others.

Symptoms of E. coli include:

  • Nausea or vomiting
  • Severe abdominal cramps
  • Watery or bloody diarrhea
  • Fatigue
  • Fever

Symptoms of salmonella

Salmonella symptoms can occur within six hours of exposure to the bacteria. Or it could take six days before you know you’re infected. Salmonella typically lasts four days to a week. Common symptoms include:

  • Fever
  • Diarrhea
  • Abdominal cramps
  • Headache
  • Potential nausea, vomiting, and loss of appetite

You should seek immediate medical attention if you have the following:

  • Diarrhea and a fever of 102 degrees Fahrenheit or more
  • Diarrhea that persists longer than three days
  • Bloody stool
  • Prolonged vomiting
  • Signs of dehydration like unable to produce urine, dry mouth and throat, or dizziness when standing up
QUESTION Bowel regularity means a bowel movement every day. See Answer

What are causes of E. coli vs. salmonella?

There are several causes of E. coli and salmonella. E. coli can be a healthy or harmful bacteria, depending on the type that you encounter. Salmonella is a harmful group of bacteria that can be found in certain foods and on certain pets.

Causes of E. coli

E. coli can be found in water, food, soil, or on surfaces that have been contaminated with animal or human feces. People can spread E. coli, even if they don’t have symptoms. You can become infected with E. coli by the following:

  • Eating contaminated food like undercooked hamburgers or raw produce
  • Drinking unpasteurized milk, juice, or cider
  • Swallowing contaminated water in a lake, stream, river, spring, pond, swimming pool, hot tub, or water park fountains
  • Contact with farm animals or pets
  • Touching contaminated surfaces or objects, then touching your mouth
  • Not washing your hands after using the bathroom then eating

Causes of salmonella

Salmonella lives in the intestines of animals, like birds. It is usually transmitted by eating foods contaminated with animal feces. Typhoid fever is caused by a certain type of salmonella that only lives in humans and is passed through contaminated water or food. You will typically be infected by salmonella from contaminated:

  • Beef
  • Poultry
  • Seafood
  • Milk
  • Eggs
  • Unwashed fruits and vegetables

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How to diagnose E. coli vs. salmonella

Most often, E. coli and salmonella cases will go unreported because they typically resolve within a week. If you do visit the doctor for food poisoning, they will test a sample of your stool to accurately diagnose the bacteria in your body. Proper diagnosis can prevent secondary transmission that lead to outbreaks.

If you have concerning severe symptoms like those listed above you should contact your doctor immediately. They will be able to run tests and determine what strain of bacteria is present in your stool. This will help local public health departments take the necessary protocol for managing a potential outbreak.

Salmonella and E. coli have very similar symptoms, so your doctor will send your stool off to the lab to determine if salmonella or E. coli is present in your system.

Treatments of E. coli vs. salmonella

In most cases, you will be able to recover from E. coli or salmonella within four to seven days without treatment. Your doctor will determine the best path of treatment for you depending on the severity of your infection, your age, and your overall health. If you have severe diarrhea, you may need rehydration through IV fluids.

Getting plenty of fluids is an important part of your treatment plan. Antibiotics are not recommended to treat E. coli or salmonella infections. Unless your infection has spread to your bloodstream, which is a serious condition and would require immediate treatment of antibiotics.

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References

Centers for Disease Control and Prevention: “E. coli (Escherichia coli).”

Centers for Disease Control and Prevention: “Salmonella symptoms.”

Centers for Disease Control and Prevention: “Salmonella.

Clinical Infectious Diseases: “Escherichia coli O157:H7: clinical, diagnostic, and epidemiological aspects of human infection.”

John Hopkins Medicine: “Salmonella infections.”

Minnesota Department of Health: “E. coli 0157:H7 and HUS fact sheet.”

How Do You Know if You Have E. Coli or Salmonella? (2024)

FAQs

How Do You Know if You Have E. Coli or Salmonella? ›

Salmonella and E. coli have very similar symptoms, so your doctor will send your stool off to the lab to determine if salmonella or E. coli is present in your system.

How do I know if I have E. coli or Salmonella? ›

The most common symptoms include diarrhea, abdominal cramps, and fever. Typical Symptoms of Salmonella infection: Appear 6 to 72 hours after eating contaminated food and last for 3 to 7 days without treatment. Escherichia coli (E. coli) are bacteria that live in human and animal intestines.

How do you rule out Salmonella? ›

Diagnostic and Public Health Testing. Diagnosing Salmonella infection requires testing a specimen (sample), such as stool (poop) or blood. Testing can help guide treatment decisions. Infection is diagnosed when a laboratory test detects Salmonella bacteria in stool, body tissue, or fluids.

What are 4 common features of Salmonella and E. coli? ›

Illness: Symptoms and timeframes
  • diarrhoea, which may have blood in it.
  • stomach pain or cramps, which may be severe.
  • flu-like symptoms, including headache, muscle pains, fever and fatigue (feeling very tired)
  • nausea.
  • vomiting.

What are 3 common symptoms of E. coli? ›

Symptoms
  • Diarrhea, which may range from mild and watery to severe and bloody.
  • Stomach cramping, pain or tenderness.
  • Nausea and vomiting, in some people.
Oct 1, 2022

How do you flush E. coli out of your system? ›

Treating E. Coli–Related Traveler's Diarrhea
  1. Stay hydrated. Consume plenty of fluids.
  2. Take antidiarrheal drugs. Use medication such as loperamide (Imodium), though people who have a fever or bloody stools should not take these, nor should children younger than 2 years.
  3. Ask if you need antibiotics.

Can your body fight Salmonella on its own? ›

Most people recover from Salmonella infection within four to seven days without antibiotics. People who are sick with a Salmonella infection should drink extra fluids as long as diarrhea lasts. Antibiotic treatment is recommended for: People with severe illness.

How do I make sure I have no Salmonella? ›

Minimizing Your Risk
  1. Wash your hands.
  2. Keep your food preparation areas clean.
  3. Avoid unpasteurized foods.
  4. Cook and store your food at the appropriate temperatures.
  5. Be careful when handling animals.
  6. Use caution when swimming.
  7. Do you suspect that you have a foodborne or waterborne illness?
Oct 5, 2022

What kills Salmonella naturally? ›

Washington, D.C.—Tomato juice can kill Salmonella Typhi and other bacteria that can harm people's digestive and urinary tract health, according to research published this week in Microbiology Spectrum, a journal of the American Society for Microbiology.

How do you test for Salmonella at home? ›

A user drops a liquified sample of food onto a paper test strip that will give an accurate result in less than an hour. Here's what you should know about at-home Salmonella testing, and how you can prevent foodborne illness in your kitchen. What Are the Risk Factors for Salmonella?

What can be mistaken for Salmonella? ›

E. coli and salmonella may have similar symptoms as they are both bacterial infections. You may not experience all of these symptoms, and there are some differences. Most often, your symptoms will appear suddenly after you have become infected.

How long does Salmonella stay in your system? ›

In otherwise healthy people, symptoms should go away in 2 to 5 days, but they may last for 1 to 2 weeks. People who have been treated for Salmonella may continue to shed the bacteria in their stool for months to a year after the infection.

What probiotic kills E. coli? ›

rhamnosus GR-1 can kill E. coli and can disrupt biofilms produced by these microbes (McMillan et al., 2011). Moreover, this strain can modulate aspects of host immunity, including NF-κB and mitogen-activated protein kinases (Kim et al., 2006; Karlsson et al., 2012).

What medicine kills E. coli? ›

For E coli intra-abdominal abscess, antibiotics must include anaerobic coverage (eg, ampicillin/sulbactam or metronidazole). In severe infection, piperacillin/tazobactam, ertapenem, or meropenem may be used.

Do you need antibiotics for E. coli or Salmonella? ›

Your health care provider may prescribe antibiotics to kill the bacteria. These are usually given if your provider suspects that salmonella bacteria have entered your bloodstream, your infection is severe or you have a weakened immune system. Antibiotics are not helpful in most cases of salmonella infection.

How do you get rid of Salmonella or E. coli? ›

You usually don't treat salmonella with medication. If you're severely ill or at high risk for complications, your healthcare provider will treat you with antibiotics. If you have severe diarrhea, you may need to be hospitalized. You should drink plenty of fluids.

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