Use of Herceptin may lead to serious heart problems, including heart failure. The risk may be greater in patients who use anthracyclines (eg, doxorubicin) with Herceptin . Contact your doctor right away if you develop chest pain, irregular heartbeat, persistent cough, sudden unexplained weight gain, or swelling of the ankles or legs.
Use of Herceptin may also result in serious, sometimes fatal infusion reactions and lung problems. These problems, if they occur, usually happen while the medicine is being given, or within 24 hours of the dose. Tell your doctor right away if you develop swelling of the mouth, face, lips, or tongue; severe dizziness or lightheadedness; new or worsening shortness of breath; or difficulty breathing.
Treating breast cancer in certain patients. It may be used with other medicines.
Herceptin is a monoclonal antibody. It works by targeting certain tumor cells and stopping them from growing and reproducing.
Contact your doctor or health care provider right away if any of these apply to you.
Some medical conditions may interact with Herceptin . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
Some MEDICINES MAY INTERACT with Herceptin . Tell your health care provider if you are taking any other medicines, especially any of the following:
This may not be a complete list of all interactions that may occur. Ask your health care provider if Herceptin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
Use Herceptin as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use Herceptin .
All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Abnormal skin sensations; back pain; cough; diarrhea; dizziness; headache; loss of appetite; muscle, bone, or joint pain; nose, sinus, or throat inflammation; runny nose; stomach pain; trouble sleeping.Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); change in the amount of urine produced; chest pain; difficult or painful urination; fainting; fast or irregular heartbeat; fever and chills; mood or mental changes (eg, depression); nausea; new or worsening shortness of breath; pain, redness, or swelling at the injection site; persistent cough; severe or persistent dizziness, lightheadedness, or headache; skin infection (eg, skin discharge, redness, swelling, or warmth); sore throat; sudden unexplained weight gain; swelling of feet or ankles; unusual fatigue or weakness; vomiting; weakness; wheezing.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately.Proper storage of Herceptin :
Herceptin is usually handled and stored by a health care provider. If you are using Herceptin at home, store Herceptin as directed by your pharmacist or health care provider. Keep Herceptin out of the reach of children and away from pets.
This information is a summary only. It does not contain all information about Herceptin . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.