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Acute cough (antimicrobial prescribing)

A Canadian clinical summary of acute cough (antimicrobial prescribing), with source-attributed priorities and explicit jurisdiction boundaries.

JurisdictionCanada
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Canada
This is an iatroX educational summary of named Canada sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.

Source and scope

This summary is bounded to the recommendations, population and decisions covered by Using Antibiotics Wisely in primary care. Apply it with the current provincial or territorial pathway where implementation differs.
sources for this section:CWC antibiotics

Source-attributed clinical priorities

  • Assess pneumonia, asthma or COPD exacerbation, heart failure and pertussis risk rather than treating cough duration alone.
  • Explain the expected course and use symptomatic care for uncomplicated viral bronchitis; coloured sputum does not prove bacterial infection.
  • Reserve antimicrobials for a defined bacterial indication or high-risk clinical context under current local guidance.
  • Coloured sputum alone does not identify a bacterial lower-respiratory infection.
sources for this section:CWC antibiotics

Practical assessment and management workflow

1
Record duration, respiratory rate, oxygen saturation, fever, chest findings and cardiopulmonary comorbidity.
2
Assess pneumonia, asthma or COPD exacerbation, pertussis, influenza and COVID-19 when clinically plausible.
3
Explain the expected course and offer supportive treatment for uncomplicated viral bronchitis.
4
Use delayed or immediate antibiotics only for a defined higher-risk or bacterial presentation and safety-net deterioration.
sources for this section:CWC antibiotics

Safety, red flags and urgent escalation

  • Escalate hypoxemia, hypotension, confusion, hemoptysis or marked work of breathing.
  • Investigate persistent cough with weight loss, focal signs or tuberculosis exposure.
  • Avoid antibiotics for uncomplicated acute bronchitis because harms outweigh negligible benefit.
sources for this section:CWC antibiotics

Confirm the local pathway before acting

The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.
sources for this section:CWC antibiotics

Source and implementation boundary

Read this educational summary with the linked source, current Canadian product information where medicines are involved, and the applicable provincial or territorial pathway. Local formularies, reporting duties, referral routes and service availability can differ.
sources for this section:CWC antibiotics

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. Choosing Wisely CanadaUsing Antibiotics Wisely in primary careaccessed 2026-08-20
    view source
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