Cited by 102Streptococcal Infections and TreatmentsAntibiotic Use and ResistanceOtolaryngology and Infectious Diseases

Diagnostic Methods, Clinical Guidelines, and Antibiotic Treatment for Group A Streptococcal Pharyngitis: A Narrative Review

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Mustafa, Zahid, Ghaffari, Masoumeh·2020·Frontiers in Cellular and Infection Microbiology

Abstract

-hemolytic streptococcus (GABHS), commonly known as strep throat. 5-15% of adults and 15-35% of children in the United States with pharyngitis have a GABHS infection. The symptoms of GABHS overlap with non-GABHS and viral causes of acute pharyngitis, complicating the problem of diagnosis. A careful physical examination and patient history is the starting point for diagnosing GABHS. After a physical examination and patient history is completed, five types of diagnostic methods can be used to ascertain the presence of a GABHS infection: clinical scoring systems, rapid antigen detection tests, throat culture, nucleic acid amplification tests, and machine learning and artificial intelligence. Clinical guidelines developed by professional associations can help medical professionals choose among available techniques to diagnose strep throat. However, guidelines for diagnosing GABHS created by the American and European professional associations vary significantly, and there is substantial evidence that most physicians do not follow any published guidelines. Treatment for GABHS using analgesics, antipyretics, and antibiotics seeks to provide symptom relief, shorten the duration of illness, prevent nonsuppurative and suppurative complications, and decrease the risk of contagion, while minimizing the unnecessary use of antibiotics. There is broad agreement that antibiotics with narrow spectrums of activity are appropriate for treating strep throat. But whether and when patients should be treated with antibiotics for GABHS remains a controversial question. There is no clearly superior management strategy for strep throat, as significant controversy exists regarding the best methods to diagnose GABHS and under what conditions antibiotics should be prescribed.

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  • Diagnostic guidelines provide a standardized and evidence-based framework that enhances accuracy, consistency, and quality in diagnosis, supporting more efficient and reliable care and improved patient outcomes.

    “Diagnostic guidelines provide a standardized and evidence-based framework that enhances accuracy, consistency, and quality in diagnosis, ultimately supporting more efficient and reliable care and improved patient outcomes [139,140].”

    From Toward Safer Diagnoses: A SEIPS-Based Narrative Review of Diagnostic Errors (2026) · cites this paper as [139]

    In “Clinical Guidelines for GABHS” (page unavailable), the review says a standardized guideline-development method should harmonize approaches, reduce confusion, and lead to better health outcomes. It also calls for greater guideline use to make GABHS diagnoses more consistent and accurate. The claim extends these proposed benefits to diagnostic guidelines generally and adds more efficient and reliable care, which the passages do not establish. (LLM, conf=0.84)

    Experimental — accuracy not yet measured

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Cited by

Sorted by citations

Authors
Mustafa, Z., & Ghaffari, M.
Affiliations
University of California, Riverside (US)
Corresponding author
Ghaffari, Masoumeh
Venue
Frontiers in Cellular and Infection Microbiology
Published
2020-10-15
Volume
10
Pages
563627-563627
ISSN
2235-2988 (ISSN-L)
OpenAlex
W3093398883
Cited by
102
References
0
Citations by year
2026: 13 · 2025: 18 · 2024: 24 · 2023: 26 · 2022: 14 · 2021: 7
FWCI
1.96
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Cellular and Infection Microbiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Streptococcal Infections and Treatments
  • Life Sciences › Immunology and Microbiology › Applied Microbiology and Biotechnology › Antibiotic Use and Resistance
  • Health Sciences › Medicine › Infectious Diseases › Otolaryngology and Infectious Diseases
Keywords
Streptococcus pyogenes, streptococcal pharyngitis, acute pharyngitis, diagnostic methods, rapid antigen test, throat culture, nucleic acid amplification tests, clinical scoring systems, clinical guidelines, antibiotic therapy, narrow-spectrum antibiotics, guideline adherence, AI-assisted diagnosis, suppurative complications
MeSH terms
Adult, Anti-Bacterial Agents, Artificial Intelligence, Child, Humans, Pharyngitis, Streptococcal Infections, Streptococcus pyogenes, United States

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