Trastuzumab - intravenous

Patient Medicine Information
Why do I need this medicine?
Trastuzumab is used together with other medicines to treat cancer of the breast and stomach.
How do I use this medicine?
Trastuzumab injection is to be given intravenously (into the vein). It is delivered directly into the bloodstream via the blood vessel.

Your doctor or nurse will administer the injection for you.
What should I do if I have forgotten to take this medicine?
Ensure that you keep all appointments with your doctor so that you do not miss any dose.

If you miss an appointment or miss an injection, alert your doctor or nurse. A replacement appointment or injection should be given as soon as possible.
When should I not use this medicine?
Do not take Trastuzumab if you are pregnant or planning to have a baby soon. If you become pregnant while being treated with this medicine, alert your doctor immediately. This medicine may cause harm to your unborn child. You must use proven birth control methods during treatment and up to 7 months after you stop treatment.

Do not breastfeed while you are being treated with this medicine and up to 7 months after treatment.
What should I take note of while using this medicine?
Inform your doctor if you have the following conditions:

- heart disease
- lung disease
- kidney disease

Keep your appointments with your doctor. Your doctor needs to monitor your condition (e.g. heart function) and check your response to the medication regularly.
What side effects could I experience?
Trastuzumab may cause dizziness. If affected, do not drive or take part in any activity in which you need to be alert.

Other side effects include any of the following: headache, difficulty sleeping, weakness, chills, nausea, diarrhoea, vomiting, stomach pain, loss of appetite, weakness, back pain, joint pain, muscle pain, cough, difficulty breathing, stuffy or runny nose, sore throat, skin rash and pain, swelling, and redness at the injection site.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:

- fast or irregular heartbeat
- fever with persistent sore throat or mouth ulcers, unusual bleeding or bruising
- numbness or tingling sensation in the hands and feet
- swelling of the ankles, feet or hand
- shortness of breath

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I use this with other medicines?
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
How should I store this medicine?
Store in a refrigerator (2°C-8°C).

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on trastuzumab - intravenous and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2022 MIMS. All rights reserved. Powered by
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