S1753 Acute Ischemic Colitis Secondary to Oral Phenylephrine: An Unusual Adverse Effect of a Common Drug. (October 2021) - Naeem Goraya, Muhammad Hassan; Awan, Junaid Rasul; Kashif Saleem, Hafiz M.; Inayat, Faisal; Tarar, Zahid I.; Akhtar, Zahra; Nawaz, Gul; Hussain, Nadeem; Malik, Adnan; Zaman, Muhammad Adnan