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Sinusitis
Urticaria is characterized by the appearance of hives or angioedema.1 Chronic urticaria is defined by urticarial episodes that last more than 6 weeks, occurring daily or several times per week.2 Although acute urticaria is commonly associated with infections,3 most cases of chronic urticaria have no identifiable cause. Nevertheless, several reports documented chronic urticaria from infectious causes including Helicobacter pylori.4 Studies show association of upper respiratory infections, including sinusitis, with chronic urticaria with remission after antibiotic therapy.
Source: Annals of Allergy, Asthma and Immunology - November 22, 2019 Category: Allergy & Immunology Authors: Richard A. Page Tags: Correspondence Source Type: research

Use of a Penicillin Allergy Screening Algorithm and Penicillin Skin Testing for Transitioning Hospitalized Patients to First-Line Antibiotic Therapy
ConclusionsThe use of the PAHA and subsequent PST is a safe, effective multidisciplinary intervention that facilitates the transition to β-lactam antibiotics. Our approach is unique in that it prioritizes patients based on the use of second-line antibiotics, and then applies an algorithm to determine eligibility for PST.
Source: The Journal of Allergy and Clinical Immunology: In Practice - July 10, 2018 Category: Allergy & Immunology Source Type: research