Reduced antibiotic prescribing for acute respiratory infections in adults and children
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Updated: Jun 19, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases
Published on: March 1, 2024
Sharon B Meropol1, Zhen Chen, Joshua P Metlay
1Center for Clinical Epidemiology and Biostatistics, Penn Center for Education and Research on Therapeutics, Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA. meropols@mail.med.upenn.edu
Insights
Antibiotic prescribing for acute respiratory infections (ARIs) in the UK has decreased significantly for both adults and children. This trend, observed in UK antibiotic use, did not lead to an increase in broad-spectrum antibacterial prescriptions.
Area of Science:
- Public Health
- Infectious Diseases
- Pharmacology
Background:
- Public health initiatives in the UK and US aim to reduce unnecessary antibiotic consumption.
- While US prescribing for acute non-specific respiratory infections (ARIs) has declined, broad-spectrum antibacterial use has increased.
- This study focuses on trends in the UK.
Purpose of the Study:
- To evaluate recent trends in antibacterial prescribing for ARIs within the UK.
- To analyze changes in both overall and broad-spectrum antibacterial prescriptions.
- To compare UK trends with those observed in the US.
Main Methods:
- A retrospective cohort study design was employed.
- Data were extracted from The Health Improvement Network database.
- Outpatient ARI visits between January 1, 1990, and December 31, 2004, were analyzed.
Main Results:
- Antibacterial prescribing rates for ARIs decreased substantially from 1990 to 2004 in both adults and children.
- The probability of receiving an antibacterial prescription post-ARI visit also declined significantly for both age groups.
- Broad-spectrum antibacterial prescribing rates decreased for adults and children, with a significant downward trend observed in children.
Conclusions:
- UK antibacterial prescribing for ARIs has declined, mirroring some US trends.
- Crucially, this decline was not accompanied by an increase in broad-spectrum antibacterial prescribing.
- The success of UK strategies offers valuable insights for antimicrobial use programs globally.
Background:
Recent public health efforts, including in the UK and US, have targeted decreasing unnecessary antibiotic use. In the US, prescribing for acute non-specific respiratory infections (ARIs) has decreased, but broad-spectrum antibacterial prescribing has soared.
Aim:
To assess recent trends in antibacterial prescribing for ARIs in the UK.
Design Of Study:
Retrospective cohort.
Setting:
The Health Improvement Network database.
Method:
Outpatient ARI visits from 1 January 1990 to 31 December 2004 were selected. Outcomes were antibacterial and broad-spectrum antibacterial prescriptions per thousand person-years, and the probability of receiving an antibacterial and broad-spectrum prescription conditional on an ARI visit.
Results:
From 1990 to 2004, antibacterial prescribing rates for ARIs decreased from 55.0 to 30.3 prescriptions/1000 person-years for adults and from 124.8 to 46.3 prescriptions/1000 person-years for children (P=0.001). The probability of receiving an antibacterial prescription after an ARI visit decreased from 70.8% to 59.5% for adults and from 46.1% to 30.8% for children (P=0.003 and 0.007, respectively). Antibacterial prescribing declined faster for younger than for older adults. Broad-spectrum antibacterial prescribing rates decreased from 3.8 to 2.9 prescriptions/1000 person-years for adults and from 5.2 to 2.2 prescriptions/1000 person years for children (P=0.005 and 0.003, respectively). The probability of broad-spectrum prescribing did not demonstrate a significant linear trend for adults (P=0.16), and decreased for children (P=0.01).
Conclusion:
UK antibacterial prescribing for ARIs has declined, similar to US trends, but there was no concomitant increase in low broad-spectrum prescribing. The success of UK strategies for limiting antimicrobial use has implications for programmes in other countries.
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