Causes of vomiting and diarrhea without fever
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Common Causes of Vomiting and Diarrhea Without Fever
Vomiting and diarrhea without fever are most often caused by viral infections, especially in children. Viruses such as norovirus and rotavirus are leading culprits, typically resulting in watery diarrhea and vomiting without the presence of blood, mucus, or fever. These viral infections damage the lining of the intestines, leading to symptoms but often without a significant rise in body temperature Imanadhia2019O'Brien2020Marino2024+1 MORE.
Viral Gastroenteritis: Norovirus and Rotavirus
Norovirus is a particularly common cause of vomiting and diarrhea worldwide. It is highly contagious and can spread quickly, especially in group settings. While norovirus can sometimes cause fever, it often presents with just vomiting and diarrhea, especially in mild cases or in certain age groups Imanadhia2019O'Brien2020Valenzuela2018. Rotavirus is another frequent cause, especially in infants and young children, and typically leads to similar symptoms Imanadhia2019O'Brien2020.
Bacterial and Parasitic Causes
While most cases are viral, some bacterial infections can also cause diarrhea without fever. For example, paratyphoid infection (caused by Salmonella paratyphi) can sometimes present with persistent watery diarrhea without fever or vomiting, although this is less common and usually requires specific testing for diagnosis . Other bacterial and parasitic infections are more likely to cause fever, blood in the stool, or other systemic symptoms .
Non-Infectious Causes
Occasionally, vomiting and diarrhea without fever may be due to non-infectious causes such as food intolerance, medication side effects, or stress. However, these are less common compared to viral gastroenteritis, especially in children O'Brien2020Marino2024.
Clinical Considerations and Management
In most cases, vomiting and diarrhea without fever are self-limiting and resolve within a few days. The main concern is dehydration, especially in young children and the elderly. Oral rehydration is the primary treatment, and medical attention is usually only needed if symptoms persist, worsen, or are accompanied by other concerning signs such as blood in the stool or severe dehydration O'Brien2020Marino2024Valenzuela2018.
Conclusion
Vomiting and diarrhea without fever are most commonly caused by viral infections like norovirus and rotavirus, particularly in children. These illnesses are usually mild and self-limiting, but monitoring for dehydration is important. Bacterial causes are less common but should be considered if symptoms persist or are severe.
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Most relevant research papers on this topic
Etiology Based on Clinical Manifestation of Acute Diarrhea Incidence of Children Hospitalized in Dr. Soetomo General Hospital Surabaya Period 2011-2013
Acute diarrhea in children is mostly caused by viruses, with symptoms dominated by vomiting, fever, and diarrhea without blood caused by villi damage.
1749. Clinical Characteristics and Enteric Viral Detection Among Children with One Vomiting Episode in the Absence of Diarrhea
Children with one vomiting episode without diarrhea have similar viral detection rates to asymptomatic children, suggesting that one vomiting episode without diarrhea is not a strong indicator of viral acute gastroenteritis.
Gastroenteritis Due to Norovirus
Norovirus causes acute gastroenteritis, causing diarrhoea and vomiting, and is highly contagious.
CLINICAL CHARACTERISTICS OF GASTROENTERITIS IN ROTAVIRUS INDUCED INFANTS KLINIČKE KARAKTERISTIKE GASTROENTERITISA KOD MALE DECE ČIJI JE UZROČNIK ROTAVIRUS
Rotavirus gastroenteritis in infants is characterized by watery diarrhea, vomiting, and fever, with age significantly affecting symptomatology and the importance of using probiotics.
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