key: cord-1038196-jrhqp8r0 authors: Mansouri, Parvin; Chalangari, Reza; Martits‐Chalangari, Katalin; Mozafari, Nikoo title: Stevens‐Johnson Syndrome due to COVID‐19 vaccination date: 2021-11-16 journal: Clin Case Rep DOI: 10.1002/ccr3.5099 sha: c86e50e5deacc3d7cb99db9868d8a607a59c8f8f doc_id: 1038196 cord_uid: jrhqp8r0 As public COVID‐19 vaccination programs are being implemented, it is possible that more rare and serious adverse effects such as Stevens‐Johnson syndrome (SJS) and toxic epidermal necrosis (TEN) may occur. Since the start of the COVID-19 vaccinations, many dermatological manifestations including urticaria and morbilliform eruptions have been described. There are certain safety-related events that, due to rarity, might be detected only during the mass vaccination programs. Here, we report a potentially serious adverse effect of COVID-19 vaccines that have been rarely reported before. On May 7, 2021, the World Health Organization (WHO) listed the Sinopharm COVID-19 vaccine for emergency use. 1 The Sinopharm vaccine is produced by the China National Biotec Group (CNBG). The Sinopharm product is an inactivated vaccine administered in two doses with a spacing of three to four weeks. The published phase 1 and 2 trial data for the inactivated Vero cell vaccines show that the most common adverse reaction was injection site pain, followed by fever, fatigue, headache, and nausea which were mild and self-limiting; no serious adverse reactions were reported. 2 There are certain safety-related events that, due to rarity, might be detected only during the mass vaccination programs. Here, we report a potentially serious adverse effect of COVID-19 vaccines that have been rarely reported before. A 49-year-old woman with a background history of successfully treated breast cancer was admitted following a reaction to the second dose of COVID-19 vaccination (.05 ml IM, COVID-19 vaccine, Sinopharm, Beijing Bio-Institute of Biological Products Co Ltd). On the day of vaccination, she experienced a headache, nausea, myalgia, and burning sensation in the mouth and genitalia. Over the next three days, she noted the appearance of ulcers on her lips, oral cavity, and vagina. The appearance of a single isolated rash was also noted on her left palm. The patient was complaining of odynophagia and dysuria, while she did not report any fever, vomiting, joint pain, dyspnea, or wheezing. There was a history of similar lesions but with much less severity five days after receiving the first dose of vaccine which was resolved completely in 1 week. Her drug history included tamoxifen, sodium valproate, and alprazolam taken with no dose changes for at least 4 years. She denied taking any new medications, supplements, or food that might have led to the reactions. On examination, she looked unwell and walked slowly with difficulty. The vital signs were within normal limits and other systemic examinations were normal. There were multiple ulcerations and erosions on the bilateral buccal mucosa, lip mucosa, lower lip vermilion, and over the dorsal, lateral, and ventral surface of the tongue. On genital examination, glazed erythema and erosion of the inner aspect of labia minora around the vaginal orifice were evident. On skin examination, there was only a welldefined circular erythematous patch with a blister on the palm ( Figure 1 ). Cutaneous biopsy specimen showed fullthickness epidermal necrosis, sub-epidermal splitting, and superficial perivascular lymphocytic infiltration. The clinical and histological findings were consistent with a diagnosis of Stevens-Johnson syndrome (SJS). The patient was started on antihistamines (fexofenadine 180mg daily) and prednisolone (30 mg daily for a week then tapered off 10mg every week). Topical violet gentian was employed as an antiseptic for oral ulcers. Two weeks later, the mucocutaneous lesions were markedly resolved. Since the start of the COVID-19 pandemic, many dermatological manifestations including oral lesions have been described, Cebeci F. et al. first described the mucosal damage in COVID-19 patients presenting with diffuse oropharyngeal erythema, petechia, and pustule formation on soft palate. 3 Thereafter, Binois et al reported a pure mucosal case of erythema multiforme major in a COVID-19-positive inpatient presenting with oral and genital ulcer and conjunctivitis. 4 It is suggested that mucosal damages in COVID-19 patients are more likely to result from the host immune response to virus infection rather than the direct cytopathic effects of virus. 5 Following the vaccination, the immune response against the virus is provoked, and neutralizing antibodies directed against SARS-CoV-2 Spike protein are produced. Then mucosal damage, similar to the COVID-19 patient, could also be expected following vaccination. Interestingly, Azzi et al. have recently described a case of a young woman who developed diffuse, erythematous, and swollen red lesions on her buccal mucosa, tongue, gums, and palate three days after receiving the first dose of COVID-19 vaccine (AstraZeneca ChAdOx1). 6 In addition to a registry-based study of cutaneous reactions after messenger RNA (mRNA)-based COVID-19 vaccines, observed reactions to Moderna and Pfizer vaccines, had been noted after the SARS-CoV-2 infection itself, including pernio/chilblains, erythromelalgia, and pityriasisrosea-like exanthems. 7 SJS is a rare immune-mediated cutaneous reaction typically secondary to medications and less commonly to infections. Re-exposure to a culprit agent leads to a recurrence that is usually more severe than the first episode and can be life-threatening. It is rarely associated with vaccinations and recently three cases of SJS/ TEN secondary to the COVID-19 vaccine have been reported (Table1). Dash et al. reported SJS in a 60-year-old man who developed fever, oral ulceration, and skin rash 3 days after receiving the first dose of Covishield (patent product of AstraZeneca in India). 8 Elboraey et al reported a middle-aged female patient presenting with multiple large ulcers on buccal and labial mucosa 5 days after she had received the second dose of the COVID-19 Pfizer vaccine. 9 The third case was a 49-year-old woman who developed generalized dusky red skin eruption, extensive oral ulceration, and bilateral conjunctivitis one week after receiving the first dose of COVID-19 Pfizer vaccine. 10 In this case report, our patient experienced mild mucositis after the first dose of vaccination which was not considered a concerning sign, then when she received the second dose a more severe and faster reaction was occurred. COVID-19 vaccines are newly developed vaccines, and these vaccines have been developed and tested within a short period for which rare vaccines' adverse effects are relatively unrecognized. As public vaccination programs are being implemented, it is possible that more serious adverse effects such as SJS and toxic epidermal necrosis (TEN) may occur. To deal effectively with the concerns associated with risks of immunization, healthcare providers should be educated about these potential vaccine reactions and advise patients accordingly. The authors would like to thank the Clinical Research Development Unit (CRDU) of Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran, for their support, cooperation, and assistance throughout the period of study None. Parvin Mansouri contributed to clinical evaluation and management of the patient and supervision of the project, editing of the final draft of the manuscript. Reza Chalangari and Katalin Martits-Chalangari contributed to writing and editing the final draft of the manuscript. Nikoo Mozafari contributed to data gathering and writing the manuscript. We declare that none of the authors listed on the manuscript are employed by a government agency that has a primary function other than research and/or education. And none of the authors are submitting this manuscript as an official representative or on behalf of the government. The patient in this manuscript gave written informed consent for the publication of her case details. The data presented in this study are available on request from the corresponding author. 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