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Corticosteroids for the common cold.

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Intranasal corticosteroids do not effectively relieve common cold symptoms. More high-quality research is needed to confirm their benefit for upper respiratory infections.

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Area of Science:

  • Clinical Medicine
  • Pharmacology

Background:

  • The common cold is a prevalent illness causing significant healthcare consultations and lost productivity.
  • Current symptomatic treatments for the common cold offer limited efficacy.
  • Corticosteroids, known for their anti-inflammatory properties, are effective in other upper respiratory infections and may benefit the common cold.

Purpose of the Study:

  • To evaluate the effectiveness of corticosteroids compared to usual care for common cold symptom resolution and improvement in both children and adults.

Main Methods:

  • Systematic review and meta-analysis of randomized, double-blind, controlled trials.
  • Searched multiple databases including CENTRAL, DARE, MEDLINE, and EMBASE up to May 2015.
  • Data extraction and quality assessment were performed independently by two reviewers; meta-analysis was not possible, necessitating a narrative synthesis.

Main Results:

  • Three trials (353 participants) were included; none studied oral corticosteroids.
  • Two placebo-controlled trials of intranasal corticosteroids showed no significant benefit in symptom duration or severity.
  • One trial in children receiving antibiotics suggested reduced symptom severity with intranasal steroids, but had high risk of bias.

Conclusions:

  • Existing evidence does not support the use of intranasal corticosteroids for common cold symptom relief.
  • The current evidence base is limited by a small number of trials, one of poor quality, and low statistical power.
  • Further large-scale, high-quality randomized controlled trials are necessary to definitively assess corticosteroid efficacy for the common cold.