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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

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Hypersensitivities01:30

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Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
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Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Rheumatic heart disease (RHD) management can be divided into two main strategies: prevention and long-term management.Primary PreventionPrimary prevention focuses on timely diagnosis and management of group A streptococcal pharyngitis to prevent acute rheumatic fever. The most widely used antibiotic for treating this condition is intramuscular benzathine penicillin G.Acute Rheumatic Fever TreatmentThe primary treatment goal for a patient diagnosed with acute rheumatic fever is to suppress the...
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Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
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Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
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Related Experiment Video

Updated: Jul 20, 2025

Basophil Activation Test for Allergy Diagnosis
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Published on: May 31, 2021

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Penicillin Allergy Impact and Management.

Rebekah H Wrenn1, Jason A Trubiano2

  • 1Duke University Medical Center, Durham, NC, USA; Duke Center for Antimicrobial Stewardship and Infection Prevention, Durham, NC, USA.

Infectious Disease Clinics of North America
|August 3, 2023
PubMed
Summary

Penicillin allergies negatively impact medical prescribing and patient outcomes. New tools for allergy assessment and delabeling aim to reduce the negative effects of these labels in healthcare settings.

Keywords:
DelabelingDrug allergyOral challengePenicillin allergy

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Area of Science:

  • Clinical Medicine
  • Pharmacology
  • Infectious Diseases

Background:

  • Penicillin allergies are linked to suboptimal antibiotic prescribing practices.
  • These allergies can lead to adverse patient outcomes globally.
  • The

Purpose of the Study:

  • To review the impact of penicillin allergies on healthcare.
  • To highlight the availability of tools for managing penicillin allergies.
  • To emphasize the role of these tools in antimicrobial stewardship.

Main Methods:

  • Review of international evidence on penicillin allergy.
  • Identification of assessment tools (risk assessment, clinical decision rules).
  • Identification of delabeling strategies (testing, medical reconciliation).

Main Results:

  • Penicillin allergies are associated with inferior prescribing and patient outcomes.
  • Various tools exist for allergy assessment and delabeling.
  • These interventions can reduce the impact of allergy labels.

Conclusions:

  • Managing penicillin allergy labels is crucial.
  • Assessment and delabeling tools are key antimicrobial stewardship interventions.
  • Reducing the impact of these labels improves healthcare delivery.