Cetuximab may cause severe or life-threatening reactions while you receive the medication. These reactions are more common with the first dose of cetuximab, but may occur at any time during treatment. Your doctor will watch you carefully while you receive each dose of cetuximab and for at least one hour afterwards. Tell your doctor if you experience any of the following symptoms during or after your infusion: shortness of breath, wheezing or noisy breathing, hoarseness, hives, fainting, dizziness, blurred vision, nausea, or chest pain or pressure. If you experience a severe reaction, your doctor will stop your infusion and treat the symptoms of the reaction. You will not be able to receive treatment with cetuximab in the future.
People with a head and neck cancer who are treated with radiation therapy and cetuximab may have an increased risk of cardiopulmonary arrest (condition in which the heart stops beating and breathing stops) and/or sudden death during or after their treatment. Tell your doctor if you have or have ever had coronary artery disease (condition that occurs when the blood vessels of the heart are narrowed by fat or cholesterol deposits); angina (chest pain or pressure); a heart attack; congestive heart failure; irregular heartbeat; other heart disease; or lower than normal levels of magnesium, potassium, or calcium in your blood.
Keep all appointments with your doctor and the laboratory. Your doctor will order certain tests during and after your treatment to check your body's response to cetuximab.
Talk to your doctor about the risks of using cetuximab.
Cetuximab is used with or without radiation therapy to treat a certain type of cancer of the head and neck. Cetuximab is also used alone or in combination with another medication to treat a certain type of cancer of the colon (large intestine) or rectum that has spread to other parts of the body. Cetuximab has been shown to slow the growth of tumors in people who have cancer of the colon or rectum. However, it has not been shown to help people who have cancer of the colon or rectum feel better or live longer. Cetuximab is in a class of medications called monoclonal antibodies. It works by slowing or stopping the growth of cancer cells.
Cetuximab comes as a solution (liquid) to be infused (injected slowly) into a vein. Cetuximab is given by a doctor or nurse in a medical office or infusion center. It is usually given once a week.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Before receiving treatment with cetuximab,
Unless your doctor tells you otherwise, continue your normal diet.
If you miss an appointment to receive a dose of cetuximab, call your doctor right away.
Cetuximab may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
Some side effects can be serious. If you experience any of these symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately:
Cetuximab may cause other side effects. Call your doctor if you have any unusual problems while using this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Ask your doctor if you have any questions about your treatment with cetuximab.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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