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Don’t invite this guest over this Christmas

The holiday season may bring guests to your home. But one guest you don’t want to unwittingly invite is food poisoning.

It is estimated that 48 million people in the United States develop signs and symptoms of food poisoning on an annual basis. Almost one in every five patients with diarrhea is due to food poisoning.

Emily Hein, RD, LD, on the staff at Baylor Regional Medical Center at Plano talked with local KERA radio host, Sam Baker, about practicing food safety when preparing meals. Listen to her interview.

If that unwanted guest does appear within your household, Joe Young, D.O., assistant director of the emergency department at Baylor Medical Center at Carrollton, offers some tips about recognizing and treating food poisoning.

What is food poisoning?

Many people who think they have the “stomach flu” or a virus are really victims of a mild case of food poisoning, caused by bacteria and viruses found in food, explains Dr. Young.

Particularly vulnerable to these infections are young children, the elderly, pregnant women (because of the risk to the fetus), and people with chronic or serious illnesses, whose immune systems are already weakened.

While food poisoning is fairly common in the emergency room, the large majority of patients with food poisoning suffer no long term consequences.

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What causes food poisoning?

Most food-borne illnesses are caused by eating food containing certain types of bacteria or viruses. After a person has eaten these foods, the microorganisms continue to grow in the digestive tract, causing an infection. Foods can also cause illness if they contain a toxin or poison produced by bacteria growing in food.

Most recently, a multi-state outbreak caused by salmonella, was found to be from Foster Farms brand chicken. Of the reported cases, two are from Texas.

In the Dallas-Fort Worth, there was an outbreak caused by a parasite called cyclospora, primarily between June and August of 2013. It was initially thought to be from lettuce, but the Centers for Disease Control and Prevention (CDC) released news stating cilantro from Mexico was the most likely suspect.

There is not a specific time of year when food poisoning outbreaks are more likely to occur.  However, it most commonly happens after eating at picnics, school cafeterias, restaurants, or large social functions.

Several different kinds of bacteria can cause food poisoning. Some of the common bacteria include the following:

Salmonella and Campylobacter is normally found in warm-blooded animals, such as poultry and reptiles, and also may be present in raw meat, poultry, eggs, or unpasteurized dairy products.

Clostridium perfringens may be present in raw meat, poultry, eggs, or unpasteurized dairy products, as well as in vegetables and crops that come into contact with soil. Infection may occur when soups, stew, and gravies made with meat, fish, or poultry are stored improperly or left unrefrigerated for several hours.

Listeria is mainly associated with raw foods of animal origins, including unpasteurized cheese and milk.

Staphylococci occur normally on human skin and in the nose and throat. These bacteria may be transmitted to food when handled by someone with the bacterium.

Escherichia coli (E. coli) is found in the intestines of healthy cattle. An infection is caused by eating undercooked beef (especially ground beef) or unpasteurized milk.

Hepatitis A and other viral diseases may be passed through the hands of infected people onto the hands of food handlers. Shellfish and other foods which may have been exposed to sewage-contaminated water can transmit these viral diseases.

Botulism is a rare, but deadly form of food poisoning caused by Clostridium botulinum, which is found almost everywhere, including in soil and water.

Low-acid foods, such as meat, fish, poultry, or vegetables that are improperly canned or improperly preserved, may be breeding grounds for this bacteria.

Raw honey and corn syrup can also cause botulism in infants. Babies under the age of one year old should never be given honey or corn syrup for this reason.

What are the symptoms of food poisoning?

Most cases of food poisoning mimic gastroenteritis, and many people with mild cases of food poisoning think they have the “stomach flu.” However, the onset of symptoms is usually very sudden and abrupt, often within hours of eating the contaminated food. The following are the most common symptoms of food poisoning. However, each individual may experience symptoms differently. Symptoms may include:

  • Abdominal cramps
  • Watery and/or bloody diarrhea
  • Nausea and vomiting
  • Headache
  • Fever
  • Abdominal distention and gas
  • The symptoms of food poisoning may resemble other medical conditions or problems. Always consult your doctor for a diagnosis.

Treatment for food poisoning

Most mild cases of food poisoning can be treated as gastroenteritis, with fluid replacement and control of nausea and vomiting being the primary focus. Antibiotics may actually make the situation worse. However, in serious cases of food poisoning, hospitalization may be necessary.

Be sure to see your doctor if you’re unable to keep even fluids down, or your symptoms are persistent.

How can food poisoning be prevented?

A couple small steps can keep food poisoning from bothering you and your family. Check out these quick tips.

  • Thoroughly wash hands before handling food.
  • Wash hands after using the toilet, changing diapers, smoking, blowing your nose, coughing, or sneezing.
  • Wash hands after touching raw meat, seafood, poultry, or eggs and before working with any other foods.
  • Do not use wooden cutting boards for cutting raw fish, poultry, or meat. Plastic boards are easier to sanitize.
  • Thoroughly clean any surface or utensil after each use.
  • Cook poultry, beef, and eggs thoroughly before eating.
  • Do not eat or drink foods made from raw or undercooked eggs, poultry, meat, or unpasteurized milk, or other dairy products made from unpasteurized milk.
  • Wash all produce thoroughly before eating.
  • Avoid cross-contamination of foods by keeping produce, cooked foods, and ready-to-eat foods separate from uncooked meats and raw eggs.
  • Do not leave mayonnaise, salad dressings, or foods containing either of these items unrefrigerated for extended periods.
  • If you’re unsure about how long a food has been left unrefrigerated or about whether or not it has spoiled, don’t take your chances. When in doubt, throw it out.

About the author

Susan Hall
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Susan joined Baylor many years ago when Baylor University Medical Center at Dallas was the only Baylor facility in the area. When not at work, she’s outside – Big Bend National Park is her favorite with Glacier National Park a close second.

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Don’t invite this guest over this Christmas