Drug to be given during diarrhea is?

PGIMS Rohtak NO - 2017

Pharmacology

Easy

Appeared in: PGIMS Rohtak NO - 2017

Explanation

Zinc supplementation is a critical part of treating acute diarrhea, especially in children, as recommended by the World Health Organization (WHO).
It works by reducing the duration and severity of the current episode and has been shown to lower the incidence of subsequent episodes in the following 2-3 months.
Zinc aids in the regeneration of the intestinal epithelium and boosts the immune response, helping the body fight the infection and recover faster.
Unlike antibiotics, zinc is a micronutrient supplement that addresses the physiological impact of diarrhea rather than targeting a specific pathogen, making it suitable for most cases of acute watery diarrhea.

Option A: Cotrimoxazole is an antibiotic. Most cases of acute diarrhea are viral, making antibiotics ineffective. Furthermore, there is widespread bacterial resistance to cotrimoxazole, limiting its use.
Option C: Nalidixic acid is an older quinolone antibiotic that is now largely obsolete for treating diarrhea due to high levels of bacterial resistance and the availability of safer, more effective drugs.
Option D: Cefixime is a broad-spectrum antibiotic. Its routine use for undifferentiated diarrhea is inappropriate as it does not treat viral causes and contributes to antibiotic resistance.

Clinical Relevance

Nursing practice connection: Knowing Pharmacological Management of Diarrhea helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A primary nursing responsibility is educating caregivers on the 'three pillars' of diarrhea management: give ORS, give Zinc for the full 10-14 days, and continue feeding/breastfeeding to prevent malnutrition.
Nurses must perform a thorough assessment to distinguish between simple watery diarrhea and dysentery (presence of blood in stool), as this is a key factor in deciding whether antibiotic therapy is necessary.
It is crucial to advise caregivers to complete the full 10-14 day course of zinc, even if the diarrhea stops earlier, to ensure the full benefit of preventing future episodes.

How to Approach the Question

First, analyze the question. It asks for a standard drug for 'diarrhea' without specifying the type (e.g., watery, bloody) or cause.
Recall the fundamental principles of diarrhea management. The primary goals are to prevent dehydration and malnutrition.
Evaluate the options provided. Three are antibiotics (Cotrimoxazole, Nalidixic acid, Cefixime), and one is a micronutrient supplement (Zinc).
Consider the most common cause of acute diarrhea, which is viral. Antibiotics are ineffective against viruses and their indiscriminate use promotes resistance.
Apply global health guidelines. The WHO and UNICEF universally recommend Oral Rehydration Solution (ORS) and Zinc supplementation as the cornerstone of treatment for acute childhood diarrhea.
Based on this, conclude that Zinc is the most appropriate general medication among the choices, as antibiotics are reserved for specific, confirmed or highly suspected bacterial infections.

Concept Tested & Keywords

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