Acute ischemic colitis associated with oral decongestant use: a systematic review

Acute ischemic colitis (IC) has been linked with the use of oral decongestants. However, clinical evidence on this association remains limited. We aim to evaluate the occurrence and clinical outcomes of acute IC following over-the-counter (OTC) use of pseudoephedrine and phenylephrine. We conducted...

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Published in:Journal of clinical and translational research 2023-06, Vol.9 (3), p.195-205
Main Authors: Goraya, Muhammad Hassan Naeem, Inayat, Faisal, Taj, Sobaan, Awan, Junaid Rasul, Mohyudin, Adil, Ali, Syed Hasan, Afzal, Arslan, Ashraf, Muhammad Junaid, Zaman, Muhammad Adnan, Akhtar, Zahra, Nawaz, Gul, Tarar, Zahid Ijaz
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Language:English
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Review
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Summary:Acute ischemic colitis (IC) has been linked with the use of oral decongestants. However, clinical evidence on this association remains limited. We aim to evaluate the occurrence and clinical outcomes of acute IC following over-the-counter (OTC) use of pseudoephedrine and phenylephrine. We conducted a systematic review of the MEDLINE, Google Scholar, Scopus, and Embase databases between inception and July 20, 2022. Specific search terms were used. The inclusion criteria consisted of English-language articles describing acute IC secondary to pseudoephedrine or phenylephrine. A total of 18 case reports (level of clinical evidence: IV) fulfilled our inclusion criteria. The mean age of patients was 51.6 ± 15.3 years, with 14 (77.8%) cases reported in women. The clinical presentation was mainly related to abdominal pain 16 (88.9%), hematochezia 15 (83.3%), and/or abdominal tenderness 10 (55.6%). The medical background showed that 5 (27.8%) patients were previously healthy. In the 13 (72.2%) patients with comorbidities, hypertension 6 (46.2%), a history of tobacco use 5 (38.5%), and psychiatric illnesses 4 (30.8%) were commonly reported. Leukocytosis was encountered in 13 (72.2%) patients. Diagnostic investigations included a combination of computed tomography scan and colonoscopy in 10 (55.6%), colonoscopy alone in 6 (33.3%), and flexible sigmoidoscopy in 1 (5.6%) patient. Colonoscopic biopsy was the mainstay of diagnosis in 15 (83.3%) patients. Treatment was based on supportive care in 18 (100%), concurrent antibiotic use in 2 (11.1%), and surgical intervention in 1 (5.6%) patient. Recurrent episodes of IC occurred in 4 (22.2%) patients. Acute IC secondary to oral decongestants remains a rare but important clinical phenomenon. Clinical suspicion and imaging findings are important for the early diagnosis. In unexplained cases of IC, clinicians should specifically inquire about oral decongestants since they are OTC and patients commonly fail to reveal their usage. These drugs should be avoided for transient cold symptoms, especially in women.
ISSN:2424-810X
2382-6533
2424-810X
DOI:10.18053/jctres.09.202303.008