<![CDATA[Background: Cesarean section (CS) with spinal anesthesia frequently leads to postoperative nausea and vomiting (PONV). Pharmacological treatment with antiemetics may cause side effects; therefore, safe non-pharmacological alternatives are needed. Ginger and lavender aromatherapy have shown effectiveness in reducing nausea and vomiting, but direct comparisons in post-CS patients are limited. Objective: To compare the effectiveness of ginger and lavender aromatherapy on PONV among post-CS patients with spinal anesthesia. Methods: A quasi-experimental study with a two-group pretest–posttest without control design was conducted. Thirty respondents were divided into two groups (ginger = 15, lavender = 15). Interventions consisted of inhalation of ginger or lavender aromatherapy using a diffuser for 15 minutes. PONV was measured with the Rhodes Index of Nausea, Vomiting and Retching (RINVR) before and 30 minutes after intervention. Data were analyzed using paired t-test and independent samples t-test. Results: In the ginger group, PONV scores decreased from 20.93 to 12.67 (p < 0.001), while in the lavender group they decreased from 21.53 to 14.67 (p < 0.001). Between-group analysis showed a significant difference (p = 0.002), with ginger being more effective. Conclusion: Both ginger and lavender aromatherapy effectively reduce PONV after CS with spinal anesthesia, with ginger demonstrating superior results.]]>
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