Glaxo SmithKline Pharmaceuticals Ltd
Information updated 25 June 2026
Twinrix Paediatric Injection: A Guide for Parents and Caregivers
Twinrix Paediatric Injection is a vaccine that protects children against two serious viral infections: Hepatitis A and Hepatitis B. It is a combination vaccine, meaning it provides immunity against both viruses with a single injection. As a parent or caregiver, it's essential to understand how this vaccine works and what to expect during and after vaccination.
Twinrix Paediatric Injection is used to:
The Twinrix Paediatric Injection contains two live, attenuated (weakened) viruses that cause Hepatitis A and Hepatitis B. When injected into the body, these viruses trigger an immune response, which helps the body recognize and fight off future infections. The vaccine is designed to provide long-term immunity, ensuring your child is protected against both viruses for many years.
The recommended dosage for Twinrix Paediatric Injection varies depending on your child's age and health status. Typically, the vaccine is administered in a series of three injections, spaced at least 6-12 months apart. The first dose is given at 12-23 months of age, the second dose is given 6-12 months later, and the third dose is given 12-23 months after the second dose.
Like all vaccines, Twinrix Paediatric Injection can cause side effects, which are usually mild and temporary. Common side effects include:
In rare cases, more serious side effects can occur, such as allergic reactions or anaphylaxis. If you or your child experience any of these symptoms, seek medical attention immediately.
Before administering the Twinrix Paediatric Injection, it's essential to inform your healthcare provider about any of the following:
A: Yes, the Twinrix Paediatric Injection is a safe and effective vaccine that has been extensively tested and proven to provide long-term immunity against both Hepatitis A and Hepatitis B.
A: While vaccination provides long-term immunity, it's not 100% effective. However, even if your child does get infected, the vaccine can help reduce the severity of symptoms and prevent long-term complications.
A: No, the Twinrix Paediatric Injection should only be administered by a qualified healthcare professional, such as a doctor or nurse, in a medical setting.
Talk to a verified specialist who can guide you on dosage, alternatives, and interactions.
pregnancy
Consult Doctor
alcohol
Caution
driving
Caution
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Other brands containing Freeze-dried Live Attenuated Hepatitis A Vaccine (360ELISA) Hepatitis B Vaccine (rDNA) (10mcg)