Nadia Ben-Fredj1, Ferdaous Chahed2, Najah Ben-Fadhel1, Khadija Mansour1, Haifa Ben-Romdhane1, Randa Said El Mabrouk3, Zohra Chadli1, Donia Ghedira4, Hichem Belhadjali3, Amel Chaabane1, Karim Aouam1. 1. Department of Clinical Pharmacology, Faculty of Medicine of Monastir, University Hospital, The University of Monastir, Monastir, Tunisia. 2. Department of Clinical Pharmacology, Faculty of Medicine of Monastir, University Hospital, The University of Monastir, Monastir, Tunisia. dr.ferdaws.chahed@gmail.com. 3. Department of Dermatology, University Hospital of Monastir, The University of Monastir, Monastir, Tunisia. 4. Department of Chemistry, University Hospital of Monastir, The University of Monastir, Monastir, Tunisia.
Abstract
BACKGROUND: Urticaria following the COVID-19 vaccine was rarely reported and had a short self-limited resolution. However, there has been relatively little literature published on CSU induced by COVID-19 vaccines. PURPOSE: We describe a case series of patients who experienced CSU after SARS-CoV-2 vaccination. METHODS: A retrospective case series of 10 patients referred to the Department of Clinical Pharmacology of the University of Monastir (January 2021-January 2022) and included for evaluation of urticaria after COVID-19 vaccination. RESULTS: The median age was 31 years and patients were mostly female. Atopy was presented in 3 patients and urticaria was accompanied by angioedema in 6 patients. The median time interval between vaccination and the onset of urticaria was 28.5 h. The offended dose was the first one in 8 patients. The resolution of the eruption was observed at least 2 months later, despite the regular use of a full dose of antihistamine in nine patients. Polynuclear leucocytosis was identified in 5 patients. Anti-TPOAb was positive in one patient after receiving the BNT162b2 vaccine. Total serum IgE was elevated in 4 patients. Skin tests for the suspected vaccine as well as the vaccine excipient were negative. CONCLUSION: We add to the medical literature ten new cases of chronic spontaneous urticarial reactions following COVID-19 vaccines uncontrolled with high-dose first-generation H1 antihistamines.
BACKGROUND: Urticaria following the COVID-19 vaccine was rarely reported and had a short self-limited resolution. However, there has been relatively little literature published on CSU induced by COVID-19 vaccines. PURPOSE: We describe a case series of patients who experienced CSU after SARS-CoV-2 vaccination. METHODS: A retrospective case series of 10 patients referred to the Department of Clinical Pharmacology of the University of Monastir (January 2021-January 2022) and included for evaluation of urticaria after COVID-19 vaccination. RESULTS: The median age was 31 years and patients were mostly female. Atopy was presented in 3 patients and urticaria was accompanied by angioedema in 6 patients. The median time interval between vaccination and the onset of urticaria was 28.5 h. The offended dose was the first one in 8 patients. The resolution of the eruption was observed at least 2 months later, despite the regular use of a full dose of antihistamine in nine patients. Polynuclear leucocytosis was identified in 5 patients. Anti-TPOAb was positive in one patient after receiving the BNT162b2 vaccine. Total serum IgE was elevated in 4 patients. Skin tests for the suspected vaccine as well as the vaccine excipient were negative. CONCLUSION: We add to the medical literature ten new cases of chronic spontaneous urticarial reactions following COVID-19 vaccines uncontrolled with high-dose first-generation H1 antihistamines.
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