Which is the most effective medicine in the treatment of swine flu?

Appeared in: Bihar CHO -2019

Explanation

Oseltamivir is an antiviral medication specifically designed to treat influenza A and B viruses, which includes the H1N1 strain known as swine flu.
It is a neuraminidase inhibitor, which works by preventing the release of newly formed viruses from infected cells, thereby limiting the spread of the infection within the body.
Clinical guidelines recommend starting Oseltamivir within 48 hours of symptom onset for optimal effectiveness in reducing the duration and severity of the illness.
Emerging strains of influenza, including the 2009 H1N1 pandemic strain (swine flu), have shown susceptibility to Oseltamivir.

Option A: Zidovudine is an antiretroviral drug, specifically a Nucleoside Reverse Transcriptase Inhibitor (NRTI), used to treat HIV infection. It has no activity against the influenza virus.
Option B: Nevirapine is also an antiretroviral drug, a Non-Nucleoside Reverse Transcriptase Inhibitor (NNRTI), used in the management of HIV. It is not effective against influenza.
Option D: Artesunate is a potent antimalarial medication used for the treatment of severe malaria, particularly infections caused by Plasmodium falciparum. It has no antiviral properties against influenza.

Clinical Relevance

Nursing practice connection: Knowing Pharmacological treatment of Swine Flu (H1N1 Influenza) helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Prompt initiation of Oseltamivir (within 48 hours) is critical for patient outcomes, reducing symptom duration and the risk of severe complications like pneumonia and hospitalization.
Nurses play a key role in identifying potential influenza cases, obtaining specimens for testing, administering antiviral medications promptly, and educating patients on completing the full course of treatment.
Infection control is paramount. Nurses must implement droplet precautions (e.g., surgical masks, hand hygiene) for patients with suspected or confirmed influenza to prevent nosocomial spread.

How to Approach the Question

First, identify the core of the question: it asks for the specific treatment for 'swine flu'.
Recognize that swine flu is a strain of Influenza A virus (H1N1).
Scan the options to identify which drug is classified as an anti-influenza agent.
Recall or deduce the drug class for each option. Oseltamivir is an antiviral for influenza.
Eliminate the other options by identifying their primary use: Zidovudine and Nevirapine are for HIV, and Artesunate is for malaria.
Confirm that Oseltamivir is the standard, most effective treatment for influenza among the choices provided.

Concept Tested & Keywords

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E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1961-1963

E6 Medicine Harrison 22e Part 1 p. 1529-1531

Practise the full Bihar CHO -2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.