Mostly true Certainty of evidence: moderate provisional C-ABX-01

About 30% of US outpatient antibiotic prescriptions (2010-2011) were unnecessary - about 47 million prescriptions a year, mostly for viral infections.

Conclusion: Correct for the US in 2010-2011 (30% figure); the 47 million figure was not checked.

Original statement

قدّرت دراسة Fleming-Dutra في JAMA عام 2016 أن نحو 30% من وصفات المضادات الحيوية في عيادات الرعاية الإسعافية الأمريكية غير ضرورية، أي ما يقارب 47 مليون وصفة سنوياً

verbatim according to source. Translation by the project; the Arabic wording is authoritative.

Translation

About 30% of US outpatient antibiotic prescriptions (2010-2011) were unnecessary - about 47 million prescriptions a year, mostly for viral infections.

Origin

Source status
Archive editors
Attribution
Archive editors (eltayebat.com)
Origin
https://eltayebat.com/rule/antibiotic-overuse/
Attribution uncertainty
Archive editorial narrative and featured-study cards, written by the archive operators; study selection is the archive's, not necessarily Elawady's.
Claimed mechanism

Overprescribing.

Claimed health effect

Unnecessary exposure, resistance.

Population concerned

US outpatients

Geographic restriction by Elawady

none found

Scientific assessment

Mostly true – Correct at its core, but with limitations or minor inaccuracies.

Certainty of evidence: moderate – Further research may still affect the assessment.

1. What was claimed?

A large share of outpatient antibiotics is unnecessary.

2. What is demonstrably correct?

From the abstract: 506 prescriptions per 1000 population per year, of which 353 were estimated appropriate (=30% not appropriate); acute respiratory conditions: 221 per 1000, only 111 appropriate (A-ABX-19).

3. What is wrong or exaggerated?

The archive's English text says the 47 million were 'handed out for viral infections'; the abstract does not state that all unnecessary prescriptions were for viral infections (the excess for acute respiratory conditions is about half of the excess). The 47 million figure was not verified (full text not read).

4. What remains unclear?

Exact absolute number.

5. Which studies support it?

A-ABX-19, A-ABX-20.

6. Which studies contradict it?

None against the 30% estimate. The '47 million' figure and the attribution of all unnecessary prescriptions to viral infections could not be verified from the abstract (A-ABX-19).

7. What applies to Germany and Europe?

Overprescribing is also a concern in Europe; no EU figure was verified here.

8. What is known about Egypt?

No Egyptian prescribing data were read; the separate regional team covers this.

9. What practical conclusion is appropriate?

Supports antibiotic stewardship - not refusing antibiotics.

Assessment details

Rationale for certainty of evidence

National survey data (NAMCS/NHAMCS) with guideline-based estimates of appropriateness; the 30% follows from the abstract (506 vs 353 per 1000). The '47 million' figure is not in the abstract and could not be checked here.

Source quality

High-quality national survey analysis.

Regional transferability

US data; prescribing rates differ in Europe and Egypt.

Individual exceptions

Not applicable.

Regional scope of the claim
not specified
Last reviewed
25 October 2026 provisional

In plain language

A US study estimated that about 3 in 10 outpatient antibiotic prescriptions in 2010-2011 were not needed, many for colds and other respiratory infections that are usually viral. This is a well-known problem. The answer is to use antibiotics only when they are needed.

Studies on this claim

Studies supporting the claim (2)

  • Unnecessary antibiotic prescriptions in the US

    Fleming-Dutra KE et al.. JAMA 2016 · PMID 27139059 · DOI 10.1001/jama.2016.4151
    Cross-sectional studycited by the Tayebat archiveabstract only checked★ key study

    About 30% of outpatient antibiotic prescriptions were judged unnecessary.

    Does the study support the specific claim? Yes · Methodological quality: high · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    Estimate inappropriate use.

    How was the study done?

    Survey analysis.

    How many people, animals or samples were studied?

    184,032 visits.

    What was actually found?

    30% inappropriate.

    How large was the observed effect?

    506 vs 353/1000.

    What do the results mean in everyday life?

    Overuse is common.

    What are the study's limitations?

    Estimated appropriateness.

    What does it say about Elawady's specific claim?

    Supports.

    Do the results apply to Germany and Europe?

    Low.

    What can explicitly not be concluded from this study?

    That antibiotics are never needed.

    Scientific details →

  • Antibiotics and resistance in the individual

    Costelloe C et al.. BMJ 2010 · PMID 20483949 · DOI 10.1136/bmj.c2096
    Meta-analysiscited by the Tayebat archiveabstract only checked

    After an antibiotic, resistant bacteria are more common for months.

    Does the study support the specific claim? Yes · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    Review.

    How was the study done?

    Meta-analysis.

    How many people, animals or samples were studied?

    24 studies.

    What was actually found?

    Resistance rises.

    How large was the observed effect?

    OR 2.5.

    What do the results mean in everyday life?

    Each course matters.

    What are the study's limitations?

    Observational.

    What does it say about Elawady's specific claim?

    Supports.

    Do the results apply to Germany and Europe?

    High.

    Scientific details →

Studies contradicting or limiting the claim (0)

No studies in this group.

Studies with mixed or unclear results (0)

No studies in this group.

Regional context

Germany / EU

Overprescribing is also a concern in Europe; no EU figure was verified here.

Egypt

No Egyptian prescribing data were read; the separate regional team covers this.

What applies in my country?

General scientific assessment

Mostly true Correct for the US in 2010-2011 (30% figure); the 47 million figure was not checked.

This statement concerns biological or medical relationships. The scientific assessment above applies regardless of the country; country-specific food data do not change it.

References

  1. Prevalence of Inappropriate Antibiotic Prescriptions Among US Ambulatory Care Visits, 2010-2011.. Fleming-Dutra KE et al.. JAMA 2016 · PMID 27139059 · DOI 10.1001/jama.2016.4151
  2. Effect of antibiotic prescribing in primary care on antimicrobial resistance in individual patients: systematic review and meta-analysis.. Costelloe C et al.. BMJ 2010 · PMID 20483949 · DOI 10.1136/bmj.c2096

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