Food Poisoning

Know the signs, risks and treatment options to help you feel better.

Food poisoning is an illness that irritates your digestive system. You’re at risk when your food or beverage is contaminated with a virus, bacteria, toxin or parasite.

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Person experiencing stomach pain.

What causes food poisoning?

Food poisoning is most often caused by a virus, bacteria, parasite or toxin. These germs enter your digestive system when you eat contaminated food or beverages. Improper food handling is a major cause of food poisoning.

When consumed, contaminated food can wreak havoc on your gastrointestinal tract. This can result in a range of uncomfortable symptoms. However, food poisoning generally passes quickly, and there are treatments to help you through it.

Common Food Poisoning Symptoms Include:

Symptoms vary depending on the cause of the illness and can start between 30 minutes & two weeks of eating contaminated food. The severity of symptoms can differ based on which virus or bacteria was involved. If you’re experiencing any severe symptoms listed below, seek medical attention ASAP.

Common Symptoms

  • Nausea & Vomiting

  • Diarrhea

  • Stomach Pains

  • Stomach Cramps

  • Fever

  • Headache

Severe Symptoms

  • Blurred or Double Vision

  • Loss of Movement in Limbs

  • Neurological Changes

  • Skin Tingling

  • Numbness

  • Fever of 103° F or higher

Preventing Food Poisoning

Safe food handling and making mindful choices can reduce your risk of illness.

Wash Your Hands

Frequently wash your hands for at least 20 seconds after using the toilet, changing diapers, eating and for any food preparation.

Always Wash Fruits and Vegetables

Wash your fruits and vegetables before preparation and before eating them to avoid any bacteria or pesticides.

Properly Cook Meat

The USDA recommends the following meat temp:

  • Cuts of pork, beef, veal & lamb: 145° F

  • Ground pork, beef, veal & lamb: 160° F

  • Poultry: 165° F

Raw Meat Food Prep

Use separate cutting boards and plates while keeping raw meats away from other foods in the refrigerator. Remember to bag your raw meat at the grocery store.

Refrigerate & Freeze

Refrigerate food within 2 hours of purchase and keep it below 40° F. Thaw frozen foods in the refrigerator, cold water, or the microwave – never the counter.

How to Treat Food Poisoning at Home

Food poisoning can come quickly, but passes fairly quickly as well. Recover from food poisoning at home with these guidelines.

Drink Plenty of Fluids

It’s important to replenish the loss of salts and electrolytes from your body, including clear broths or products like Pedialyte and Gatorade. Avoid alcohol, sugary drinks and caffeine.

Eat Gentle Foods

Once your stomach has settled, you can try eating foods that are gentle on your digestive system. Plain toast, saltine crackers, bananas and plain rice are a few suggestions.

Prescribed Medications

Antibiotics or prescription medications can help if advised by your medical provider. Over-the-counter medications can also help manage symptoms, but check with your provider first.

Need a Food Poisoning Diagnosis or Treatment?

If you suspect you have food poisoning and would like help diagnosing and treating your symptoms, check in online or walk in to a WellNow location nearest you.

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A provider meets a patient who is experiencing stomach pain.

When Adults Should See a Doctor

Visit a WellNow Urgent Care Center or their primary care physician for the following symptoms:

  • Neurological changes 

  • Fever of 103° F

  • Persistent vomiting

  • Diarrhea that lasts more than three days 

  • Dehydration symptoms such as excessive thirst, dry mouth, or little to no urination.

A provider meets a patient who is experiencing stomach pain.

When Infants & Children Should Seek Medical Attention

Call a WellNow Urgent Care or doctor if your child’s vomiting & diarrhea come with any of the following:
 

  • Neurological changes

  • Any fever in children under 2 years of age

  • Fever of 102° F or higher in older children

  • Persistent vomiting

  • Diarrhea that lasts more than one day

  • Dark stools

  • Severe stomach pain

  • Dehydration symptoms such as excessive thirst, dry mouth, or little to no urination.

The most common sources of food poisoning are:

Contaminated foods and beverages can carry harmful bacteria or toxins. Oftentimes there’s no way to know until it’s too late.

Bacteria

  • Listeria from unwashed produce

  • E. coli from raw or undercooked meat and/or unwashed produce

  • Campylobacter from undercooking

  • Salmonella from undercooking

  • Staphylococcus from unrefrigerated food

  • Shigella from untreated water or foods contaminated by an infected person

Toxins

  • Ciguatera (produced by algae) from contaminated reef fish

  • Botulism (produced by bacteria) from damaged canned goods

Related Health and Wellness Resources

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This medical information has been reviewed for accuracy by Dr. Robert Biernbaum, Chief Medical Officer for WellNow Urgent Care.