Medications and Drugs
Brand Names: Tykerb
Generic Name: lapatinib (Pronunciation: la PA tin ib)
What is lapatinib (Tykerb)?
Lapatinib is a cancer medication.
Lapatinib is often given after other cancer medications have been tried without successful treatment of symptoms.
Lapatinib may also be used for purposes not listed in this medication guide.
What are the possible side effects of lapatinib (Tykerb)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using lapatinib and call your doctor at once if you have a serious side effect such as:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about lapatinib (Tykerb)?
Do not use lapatinib if you are pregnant. It could harm the unborn baby.
To make sure you can safely take lapatinib, your heart function will need to be checked before you start treatment. Your liver function will need to be checked every 4 to 6 weeks during treatment.
Take lapatinib on an empty stomach.
Take this medication for the entire length of time prescribed by your doctor.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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