Nausea is a subjective unpleasant feeling in the back of your throat and stomach that may lead to vomiting. There are many words that describe nausea including sick to my stomach, queasy, or upset stomach.
Nausea can have other symptoms that happen at the same time, such as increased saliva spitdizziness, light-headedness, trouble swallowing, skin temperature changes, and a fast heart rate. You might or might not feel nauseated. Retching is when you try to vomit without bringing anything up from your stomach.
Other words used to describe retching are gagging or dry heaves. Doctors think that vomiting is most likely controlled by the part of the brain called the vomiting center. Less is known about how nausea occurs.
When you are given chemo, 2 things happen:. These triggers activate a reflex pathway that leads to nausea and vomiting. Drugs can be used to block different parts of this pathway to control and prevent nausea and vomiting. Some chemotherapy drugs are more likely to cause nausea and vomiting than other others. Doctors classify chemo drugs according to their emetogenic potential how likely the drug will cause nausea or vomiting as high, moderate, low, or minimal risk.
Drugs are used to help control and even prevent nausea and vomiting depending on this risk. You may also hear them called anti-emetics. Nausea and vomiting are 2 of the most dreaded, unpleasant side effects of cancer stage one breast cancer and nausea, but they only rarely become life-threatening. Still, nausea and vomiting can make it hard to get the nutrition your body needs.
And repeated vomiting can lead to dehydrationstage one breast cancer and nausea, which is a lack of fluids and minerals your body needs. Dehydration can make you not want to eat or drink anything, and if it continues, it can become a serious problem very quickly.
Be sure to stage one breast cancer and nausea your cancer care team know right away if any of these happen:. Vomiting can also cause tiredness fatiguetrouble concentrating, slow wound healing, weight loss, and loss of appetite. It can interfere with your ability to take care of yourself and may lead to changes in your treatment plan.
National Comprehensive Cancer Network. June 9, Last Revised: For reprint requests, please see our Content Usage Policy. Understanding Nausea and Vomiting. Nausea and vomiting often happen at the same time, but they can be 2 different problems. What causes nausea and vomiting in people with cancer? When you are given chemo, 2 things happen: A certain area of the brain is triggered Certain areas of the esophagus the tube that connects the mouth to the stomachstage one breast cancer and nausea, stomach, small intestine, and large intestine are triggered These triggers activate a reflex pathway that leads to nausea and vomiting.
Are nausea and vomiting common in people with cancer? What health problems can nausea and vomiting cause? Be sure to let your cancer care team know right away if any of these happen: What should I ask my cancer care team about nausea and vomiting?
Ask your cancer care team these questions: Is my cancer treatment likely to cause nausea and vomiting? Can my nausea and vomiting be prevented or controlled? When and how often should I take each medicine? Close Select A Hope Lodge.