Rectal Diclofenac Versus Rectal Paracetamol: Comparison of Antipyretic Effectiveness in Children

Mohammad Reza Sharif1, Mostafa Haji Rezaei2, Marzieh Aalinezhad3

  • 1Autoimmune Diseases Research Center, Kashan University of Medical Sciences, Kashan, IR Iran; Trauma Research Center, Kashan University of Medical Sciences, Kashan, IR Iran.

Insights

Diclofenac suppositories demonstrated superior fever control compared to Paracetamol in children within the first hour. This study highlights Diclofenac as a potentially more effective antipyretic option for pediatric fever management.

Area of Science:

  • Pediatric Medicine
  • Pharmacology
  • Clinical Trials

Background:

  • Fever is a common pediatric complaint, with Paracetamol being the primary treatment despite potential toxicity.
  • Diclofenac, a potent NSAID, is underutilized as an antipyretic in children.
  • Rectal administration is a common route for antipyretics in pediatric care.

Purpose of the Study:

  • To compare the antipyretic effectiveness of rectal Paracetamol versus rectal Diclofenac in children.
  • To evaluate the efficacy of two common antipyretic agents administered rectally.

Main Methods:

  • A double-blind, controlled clinical trial involving 80 children aged six months to six years.
  • Participants received either rectal Paracetamol (15 mg/kg) or rectal Diclofenac (1 mg/kg).
  • Rectal temperatures were measured pre-intervention and one hour post-intervention.

Main Results:

  • Both groups showed an initial average temperature around 39.6-39.8°C.
  • One hour post-intervention, the average temperature decreased to 38.39°C for Paracetamol and 38.95°C for Diclofenac (P=0.02).
  • The average temperature reduction was significantly greater with Diclofenac (1.73°C) compared to Paracetamol (0.65°C) (P<0.001).

Conclusions:

  • Rectal Diclofenac is more effective than rectal Paracetamol in reducing fever within the first hour of administration.
  • Diclofenac shows promise as a potent antipyretic for pediatric use, warranting further investigation.
Abstract

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