Paracetamol is an

OSSSC Nursing Officer-2023

Pharmacology

Easy

Appeared in: OSSSC Nursing Officer-2023

Explanation

Paracetamol (also known as Acetaminophen) is classified as an antipyretic because it is a highly effective agent for reducing fever.
It also functions as an analgesic, providing relief from mild to moderate pain.
Its mechanism of action involves inhibiting prostaglandin synthesis primarily in the central nervous system, which accounts for its antipyretic and analgesic properties with only weak anti-inflammatory action.
It is a first-choice drug for fever in all age groups, especially children, as it does not carry the risk of Reye's syndrome associated with aspirin.

Option B: This is incorrect. Antitussives are medications used to suppress the cough reflex. Paracetamol does not have any cough-suppressant properties.
Option C: This is incorrect. Antibiotics are drugs that target and eliminate or inhibit the growth of bacteria to treat infections. Paracetamol has no antimicrobial activity.
Option D: This is incorrect. Antiemetics are used to prevent or treat nausea and vomiting. Paracetamol does not have this effect. In fact, nausea and vomiting are early signs of paracetamol overdose.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pharmacological classification of Paracetamol as background academic context rather than a clinical decision trigger.
A critical nursing responsibility is patient education regarding the maximum daily dose of paracetamol (4 grams for adults) to prevent accidental overdose and subsequent hepatotoxicity (liver damage).
Nurses must carefully assess a patient's medication history, including over-the-counter products for cold and flu, as many contain paracetamol, increasing the risk of cumulative toxicity.
What if? If a patient has a history of chronic alcohol use or underlying liver disease, the maximum recommended daily dose of paracetamol is significantly lower. The nurse must advocate for a reduced dose and monitor liver function tests closely.

How to Approach the Question

First, identify the core of the question, which asks for the primary pharmacological class of the drug 'Paracetamol'.
This is a factual recall question that relies on your knowledge of common drug classifications.
Systematically evaluate each option's definition: 'Antipyretic' (fever-reducer), 'Antitussive' (cough-suppressant), 'Antibiotic' (anti-bacterial), and 'Antiemetic' (anti-nausea).
Recall the common clinical uses of Paracetamol, which are primarily for treating fever and pain.
Match the known primary use (fever reduction) with the corresponding pharmacological term ('Antipyretic').
Confirm your choice by eliminating the other options, as Paracetamol does not suppress cough, fight bacteria, or prevent vomiting.

Concept Tested & Keywords

Q6BHHSt68Q3nkJ96LZX5lM

E6 Pharmacology KD Tripathi Essentials 9e Part 1 p. 247-249

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 725-727