Figure 2:

Algorithm for the management of post-operative nausea and vomiting in adults

1. Risk factors

2. Risk mitigation

3. Risk stratification

Quantify the number of risk factors to determine risk and guide anti-emetic therapy:

4. Prophylaxis

5. Rescue treatment

Use anti-emetic from different class than prophylactic drug

Source: adapted Fourth Consensus Guidelines for the Management of Postoperative Nausea and Vomiting. Anesth. Analg. 131(2):411-448, August 2020