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NCCN Guidelines for Patients


Nausea and Vomiting, Version 1.2016


Nausea and vomiting

What is nausea and vomiting?

It is important to include side effects in your care

plan. Antiemesis is the medical term used by doctors

for preventing nausea and vomiting. This book will

prepare you to talk with your doctors about your

options. These options include how to prevent and

treat nausea or vomiting. In some cases, you may

need to find ways to cope with the side effect of

nausea or vomiting.

Nausea is that feeling you have when you are going

to throw up. You feel sick to your stomach and may

not know how to describe the feeling. Vomiting

(emesis) is throwing up what is in your stomach. It

usually comes out of your mouth and can also come

out through your nose. You can gag or try to bring up

the contents of the stomach but nothing comes out.

This is called dry heaving. Nausea and vomiting can

happen together or one without the other.

Some general causes of nausea and vomiting are:






Infection or a virus



Food poisoning






Motion sickness



Morning sickness (with pregnancy)



Intense pain



Cancer treatment

For this book we will focus on cancer treatment and

how it causes nausea and vomiting. Nausea can

come on quickly or be delayed. Delayed nausea is

more common when related to cancer treatment. If

the nausea is delayed it can be more intense and

harder to treat.

Some facts about nausea

and vomiting


Nausea is more likely to happen in younger

people than in older people with cancer.


People with cancer have said that nausea

can be worse than vomiting.


Preventing nausea is key. Once the nausea

starts it is hard for it to stop.