Alfered, FetiyaNaba, Amanuel2025-08-252025-08-252025-06-10https://etd.aau.edu.et/handle/123456789/7140Postoperative nausea and vomiting (PONV) is a common and distressing complication following surgery. Dexamethasone is widely used as a prophylactic antiemetic, though the optimal dose remains unclear. This study aimed to assess the efficacy of two doses of dexamethasone (4 mg vs. 8 mg) in preventing PONV among adult elective surgical patientsen-USA prospective, Randomized, Single Blind Study on the Efficacy of Varying Doses of Dexamethasone in Preventing Postoperative Nausea and Vomiting in Adult Elective Surgery Patients at Tikur Anbessa Specialized Hospital (2024-2025)Thesis