What are the symptoms of listeriosis?
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Symptoms of Listeriosis: A Comprehensive Overview
Common Symptoms of Listeriosis
Listeriosis, caused by the bacterium Listeria monocytogenes, presents a range of symptoms that can vary significantly depending on the affected population. The most frequently reported symptom across various studies is fever, which is observed in a majority of cases Shi2021Sikrodia2020Fouks2017+2 MORE. Other common symptoms include muscle aches and gastrointestinal issues such as nausea and diarrhea .
Neurological Symptoms
When the infection spreads to the nervous system, more severe symptoms can occur. These include headaches, stiff neck, confusion, loss of balance, and convulsions Sikrodia2020Allerberger2009Shostakovych-Koretskaya2021. In cases of neurolisteriosis, patients often exhibit altered consciousness and higher white blood cell counts, indicating a more severe infection .
Symptoms in Pregnant Women and Newborns
Pregnant women and their newborns are particularly vulnerable to listeriosis. Pregnant women often experience flu-like symptoms, including fever, headache, and myalgia, which can lead to more severe outcomes such as premature labor and stillbirth Fouks2017Kuang2017Shostakovych-Koretskaya2021+2 MORE. Newborns infected with listeriosis may present with respiratory distress, fever, and sepsis, and are at high risk for meningitis Fouks2017Kuang2017Wang2021+1 MORE.
Laboratory Findings
Laboratory tests often reveal elevated levels of C-reactive protein (CRP), leukocytosis, and neutrophilia in patients with listeriosis Shi2021Kuang2017Qu2021. In pregnant women, increased white blood cell counts and inflammatory markers are common, while in newborns, elevated protein levels and white blood cell counts in cerebrospinal fluid are indicative of the infection Kuang2017Qu2021.
Conclusion
Listeriosis is a severe infection with a wide range of symptoms, from mild flu-like signs to severe neurological and systemic manifestations. Early detection and treatment are crucial, especially in high-risk groups such as pregnant women and newborns, to prevent serious health outcomes. Understanding the common symptoms and laboratory findings associated with listeriosis can aid in prompt diagnosis and effective management of the disease.
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