PERJETA 420mg Injection is used in the treatment of metastatic breast cancer in patients who have undergone surgery or received chemotherapy. It is also used in the treatment of early stage breast cancer before undergoing a surgery. 

PERJETA 420mg Injection may also be prescribed for other conditions as determined by the doctor.

PERJETA 420mg Injection belongs to a class of drugs called monoclonal antibodies. It works by binding to the cancer cells, which prevents the growth and division of the tumour cells.

The dosage and the drug form depends on the age, weight and medical condition of an individual.

PERJETA 420mg Injection injection is administered only under the supervision of a healthcare provider. Do not self-administer.

If you miss a dose of PERJETA 420mg Injection , consult your doctor immediately.

Idelalisib is the only drug that interacts with PERJETA 420mg Injection . Please consult your doctor for potential drug interactions.

The following are the most common side effects of PERJETA 420mg Injection :

• Diarrhoea
• Tiredness
• Dizziness
• Hair loss
• Nausea
• Vomiting
• Loss of appetite

The following are the severe side effects, and you may require immediate medical attention:

• Trouble breathing
• Swollen ankles
• Tingling of the arms and legs
• Mouth ulcers
• Decreased red blood cell count
• Decreased platelet count

This is not a complete list of side effects and others may occur. Please consult your doctor to know more about other possible side effects.

• Seek doctors advice before taking any other drug or herbal products while on PERJETA 420mg Injection
• Avoid consumption of alcohol while on PERJETA 420mg Injection
• Do not drive or operate heavy machinery if PERJETA 420mg Injection causes dizziness or blurred vision.
• Consult the doctor immediately if you develop any symptoms, such as suicidal thoughts.
• Keep the medicine away from children.
• Inform the doctor if you have to undergo any surgery, including dental surgery.

• Tell your doctor if you are allergic to PERJETA 420mg Injection .
• Inform the doctor if you are taking any other drugs, OTC medications, herbal products or nutritional supplements.
• Inform your doctor if you have any pre-existing depression, liver or heart diseases.
• Tell your doctor if you are pregnant or breastfeeding.

1. Is it safe to plan for a pregnancy while on PERJETA 420mg Injection ?

No, it is not advised to plan for a pregnancy while using PERJETA 420mg Injection , as it may affect the growing foetus. You should not plan for pregnancy during and at least seven months after using PERJETA 420mg Injection .

2. Is it common to develop persistent pain or redness at the site of PERJETA 420mg Injection injection?

The occurrence of pain or redness at the site of injection is rare while using PERJETA 420mg Injection . However, please consult your doctor immediately.

3. What are the overdose symptoms of PERJETA 420mg Injection ?

The overdose symptoms of PERJETA 420mg Injection may include muscle cramps, tingling in the hands and feet, chills and fever. Please consult your doctor if you experience any of the above symptoms.

4. Do I need to be monitored for any laboratory tests while using PERJETA 420mg Injection ?

Yes, it is advised to monitor heart, kidney and liver function periodically.

5. Is it safe to use Clopidogrel while on PERJETA 420mg Injection ?

No, it is not advisable to use Clopidogrel while using PERJETA 420mg Injection , as it may lead to complications. However, please consult your doctor.