Figure 1.

Efficacy of aromatherapy applications (lemon oil pads) against nausea/vomiting. Sixty-six patients received a total of 222 aromatherapy applications. Data were missing from 17 applications. Two hundred five applications were evaluated. Lemon oil pads were efficient in 149 applications, and no further rescue medication was needed. No efficacy of lemon oil pads was seen for 56 applications. First-line rescue medication was successful in 53 applications. Second-line rescue medication was successful in the remaining 3 applications.