ondansetron hydrochloride
(on-DAN-seh-tron HY-droh-KLOR-ide)
The active ingredient in a drug used to treat nausea and vomiting caused by cancer treatment. It is a type of serotonin receptor antagonist and a type of antiemetic. Also called Zofran.
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
antagonist (an-TA-guh-nist)
In medicine, a substance that stops the action or effect of another substance. For example, a drug that blocks the stimulating effect of estrogen on a tumor cell is called an estrogen receptor antagonist.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
antiemetic (AN-tee-eh-MEH-tik)
A drug that prevents or reduces nausea and vomiting.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
cancer (KAN-ser)
A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of cancer. Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. Sarcoma is a cancer that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Leukemia is a cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood. Lymphoma and multiple myeloma are cancers that begin in the cells of the immune system. Central nervous system cancers are cancers that begin in the tissues of the brain and spinal cord. Also called malignancy.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
drug (drug)
Any substance, other than food, that is used to prevent, diagnose, treat or relieve symptoms of a disease or abnormal condition. Also refers to a substance that alters mood or body function, or that can be habit-forming or addictive, especially a narcotic.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
nausea (NAW-zee-uh)
A feeling of sickness or discomfort in the stomach that may come with an urge to vomit. Nausea is a side effect of some types of cancer therapy.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
receptor (reh-SEP-ter)
A molecule inside or on the surface of a cell that binds to a specific substance and causes a specific physiologic effect in the cell.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
serotonin (SAYR-uh-TOH-nin)
A hormone found in the brain, platelets, digestive tract, and pineal gland. It acts both as a neurotransmitter (a substance that nerves use to send messages to one another) and a vasoconstrictor (a substance that causes blood vessels to narrow). A lack of serotonin in the brain is thought to be a cause of depression. Also called 5-hydroxytryptamine.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
Zofran (ZOH-fran)
A drug used to treat nausea and vomiting caused by cancer treatment. It is a type of serotonin receptor antagonist and a type of antiemetic. Also called ondansetron hydrochloride.
Source: The National Cancer Institute's Dictionary of Cancer Terms(http://www.cancer.gov/dictionary)
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)
(http://www.cancer.gov/dictionary)
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