What is the duration of ARV prophylaxis for newborns exposed to HIV?

AIIMS CRE 2025

Child Health Nursing (Pediatrics)

Easy

Appeared in: AIIMS CRE 2025

Explanation

6 weeks, which is the standard duration of antiretroviral (ARV) prophylaxis for newborns considered to be at high risk of acquiring HIV.
This duration is recommended to provide a protective cover of medication during the early neonatal period when the risk of transmission is significant.
High-risk scenarios include mothers with high viral loads, those who did not receive prenatal ART, or those with acute infection during pregnancy.
While shorter durations exist for low-risk infants, the 6-week regimen is the comprehensive standard taught for ensuring prevention in all but the lowest-risk cases, making it the best answer for a general question.

Option A: A 2-week course of ARV prophylaxis is too short for most situations and is reserved only for newborns at the lowest risk of transmission, where the mother has been on effective ART and is virally suppressed.
Option B: A 4-week duration is also a shorter regimen used for low-risk infants. It is not sufficient for infants at high risk of perinatal HIV transmission.
Option D: A 12-week duration is not a standard initial prophylaxis regimen. It may be considered as 'extended prophylaxis' in specific high-risk breastfeeding scenarios under WHO guidelines, but it is not the primary course after birth.

Visual 1: Flowchart: Decision-making algorithm for neonatal ARV prophylaxis based on maternal viral load, ART history, and infant risk factors.
Visual 2: Table: Comparison of ARV regimens (monotherapy vs. multi-drug therapy) for low-risk and high-risk HIV-exposed infants, detailing drug names, dosages, and durations.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Antiretroviral (ARV) prophylaxis for newborns exposed to HIV as background academic context rather than a clinical decision trigger.
The primary goal of neonatal ARV prophylaxis is the prevention of mother-to-child transmission (PMTCT) of HIV, a major public health achievement.
Nurses play a critical role in identifying risk factors, ensuring the correct prophylactic regimen is initiated promptly after birth, educating parents on medication adherence, and scheduling follow-up for early infant diagnosis (EID).
What if? If an infant is born to a mother whose HIV status is unknown and a rapid test in labor is positive, the infant should be managed as high-risk, and a 6-week multi-drug ARV regimen should be started immediately pending confirmatory testing of the mother.

How to Approach the Question

Identify the key terms in the question: 'ARV prophylaxis,' 'newborns,' 'exposed to HIV,' and 'duration.'
This is a factual recall question that requires knowledge of clinical guidelines for the prevention of mother-to-child transmission (PMTCT) of HIV.
Recall that prophylaxis guidelines are stratified by risk (low vs. high).
Consider the options provided. While shorter durations (2-4 weeks) exist for low-risk cases, the 6-week duration is the standard for high-risk infants and represents the most comprehensive prophylactic course.
In the absence of specific risk information, select the answer that corresponds to the standard or high-risk protocol, as this is often the expected answer in examinations.

Concept Tested & Keywords

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