What is the most common cause of infantile diarrhoea in India?

NORCET-7 Mains-2024

Child Health Nursing (Pediatrics)

Easy

Appeared in: NORCET-7 Mains-2024

Explanation

Rotavirus is the leading cause of severe, dehydrating diarrhea in children under 5 years old globally and in India.
In India, while both Rotavirus and Enterotoxigenic E. coli (ETEC) are common, Rotavirus is responsible for the majority of severe cases requiring hospitalization in infants.
The virus is highly contagious, transmitted via the fecal-oral route, and typically presents with vomiting followed by severe watery diarrhea.
Children between 6 and 24 months of age are the most vulnerable group for severe Rotavirus infection.

Option B: Enterotoxin is not a causative organism. It is a toxic substance produced by certain bacteria that causes diarrhea.
Option C: While Enterotoxigenic E. coli (ETEC) is a major cause of bacterial diarrhea, Rotavirus is the single most common cause of severe, dehydrating diarrhea in infants.
Option D: Salmonella is a bacterial cause of diarrhea but is far less common in infants compared to Rotavirus, accounting for only about 1-5% of cases.

Visual 1: Pie Chart - A chart illustrating the etiological agents of infantile diarrhea in India, showing Rotavirus as the largest segment compared to E. coli, Shigella, Salmonella, and others.
Visual 2: Diagram - An illustration of the Rotavirus particle, highlighting its characteristic wheel-like appearance and double-stranded RNA genome.
Visual 3: Flowchart - A flowchart depicting the management of acute diarrhea in children, starting with assessment of dehydration and branching into treatment plans A, B, and C based on severity.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Etiology of infantile diarrhea in India as background academic context rather than a clinical decision trigger.
Recognizing Rotavirus as the primary cause of severe infantile diarrhea underscores the critical importance of the Rotavirus vaccine, which is part of India's Universal Immunization Program, in preventing severe disease, hospitalization, and death.
The cornerstone of management for viral gastroenteritis is supportive care, primarily Oral Rehydration Therapy (ORS) to combat dehydration. Nurses play a vital role in educating caregivers on preparing and administering ORS correctly.
What if? If a child with diarrhea presented with high fever and bloody stools (dysentery), the suspected cause would shift from a virus like Rotavirus to an invasive bacteria like Shigella. This would change the management approach to include potential antibiotic therapy after appropriate investigation, whereas antibiotics are not used for Rotavirus.

How to Approach the Question

First, identify the core of the question: it asks for the 'most common cause' of 'infantile diarrhoea' specifically in 'India'.
Next, analyze the options. They include a virus (Rotavirus), bacteria (E. coli, Salmonella), and a mechanism (Enterotoxin).
Immediately recognize that 'Enterotoxin' is a product of bacteria, not a causative agent itself, making it an unlikely correct answer for a 'cause'.
Recall or deduce the relative prevalence of the remaining pathogens. Viral gastroenteritis is extremely common in young children.
Compare Rotavirus, E. coli, and Salmonella. While all cause diarrhea, Rotavirus is famously known as the leading cause of severe, dehydrating diarrhea in infants and young children worldwide.
Conclude that Rotavirus is the most fitting answer for the 'most common' cause of severe infantile diarrhea.

Concept Tested & Keywords

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