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- Listeria symptoms can include fever and diarrhea. People rarely become seriously ill; most recover on their own without medical care. Symptoms usually begin within 24 hours after eating the contaminated food and can last two to three days. Severe illness is less common and develops one to four weeks after eating contaminated food, sometimes later.
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Aug 8, 2024 · Listeria can also cause an intestinal illness. This kind of illness is rarely diagnosed because laboratories do not regularly test patient samples for Listeria. Symptoms of intestinal illness usually start within 24 hours after eating food contaminated with Listeria and usually last 1–3 days. Symptoms of intestinal illness. Symptoms typically ...
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- Invasive illness
- Symptoms of invasive illness
- Severity of invasive illness
- Intestinal illness
Invasive means bacteria have spread beyond the intestines (gut). Invasive listeriosis happens when Listeria have spread beyond the intestines.
Symptoms of invasive illness usually start within 2 weeks after eating food contaminated with Listeria.
People who are pregnant
Symptoms typically include •Fever •Flu-like symptoms, such as muscle aches and fatigue
People who are not pregnant
Symptoms typically include •Fever •Flu-like symptoms, such as muscle aches and fatigue •Headache •Stiff neck •Confusion •Loss of balance •Seizures
•Symptoms in non-pregnant people can be severe.
•Almost 1 in 20 non-pregnant people with invasive listeriosis die.
Listeria can also cause an intestinal illness. This kind of illness is rarely diagnosed because laboratories do not regularly test patient stool (poop) samples for Listeria.
Symptoms of intestinal illness usually start within 24 hours after eating food contaminated with Listeria and usually last 1–3 days.
Feb 11, 2022 · During pregnancy, a listeria infection is likely to cause only mild signs and symptoms in the mother. The consequences for the baby, however, can be devastating — the baby can die in the womb or have a life-threatening infection within a few days of being born. Signs and symptoms of a listeria infection in a newborn can be subtle, but can ...
Nov 20, 2022 · These symptoms typically appear within a few days after eating contaminated food, though it’s not unheard of for symptoms to show up 30 days or more after becoming infected. These flu-like symptoms often last about one to three days.
Dec 19, 2022 · The hallmarks of this type of sickness include severe symptoms and a high death rate (20 to 30 percent). Some of the symptoms include fever, myalgia, septicemia, and meningitis. The incubation period, which is normally one to two weeks long, can last anywhere between a few days and up to 90 days.
Symptoms usually begin within 24 hours after eating the contaminated food and can last two to three days. Severe illness is less common and develops one to four weeks after eating contaminated food, sometimes later.
Mar 1, 2022 · In most cases, symptoms are mild and last only a few days. However, if symptoms persist and illness does not improve after 5 days, make an appointment with your doctor.
