The Index of Nausea, Vomiting, and Retching: a new format of the lndex of Nausea and Vomiting.

Nurses have a focal role in managing symptoms. Managing nausea, vomiting, and retching requires excellent assessment skills of the patient's personal symptom experience and knowledge of pharmacology. Efficient, cost-saving assessments require accurate self-report instruments that permit patients to quantify their symptom experiences. The INVR can provide a scientific base from which to prescribe and teach patients and may improve their quality of life. Reliable and valid self-reporting instruments are essential for managing these adverse symptoms.