The prescribed dosing schedule for Twinrix (hepatitis A and hepatitis B [recombinant] vaccine) may vary depending on your individual treatment plan.
Twinrix (hepatitis A and hepatitis B [recombinant] vaccine) is a vaccine used for preventing hepatitis A and hepatitis B infection in adults. The drug comes as a liquid suspension for intramuscular (IM) injection.
This article describes the dosage of Twinrix, as well as its strength and how it’s given.
Your Twinrix dosing schedule may depend on whether you receive the standard Twinrix schedule or the accelerated schedule. (The alternative Twinrix vaccine schedule may be used when you need protection sooner.)
The following information describes Twinrix schedules that are commonly used or recommended. Your doctor will determine the best Twinrix schedule to fit your needs.
Twinrix forms and strengths
Twinrix is available as a liquid suspension inside prefilled syringes to be given as an IM injection. It’s available in 1-milliliter (mL) syringes.
Twinrix is approved to preventing hepatitis A and hepatitis B in adults.
Standard schedule: This schedule consists of three doses of Twinrix. After you receive your first dose, you’ll receive the second dose 1 month later. Then, you’ll receive your third dose 6 months after your first dose.
Accelerated alternative schedule: This schedule consists of four doses of Twinrix. You’ll receive your second dose 7 days after your first dose. Then, you’ll receive your third dose 21 to 30 days after your first dose. Finally, you’ll receive your fourth dose (“booster” dose) 12 months after your first dose.
Always follow your prescribing doctor’s instructions. Notify them if you experience any side effects that may prevent you from receiving additional doses of the vaccine.
Twinrix is administered by a doctor, nurse, or other healthcare professional. You’ll typically receive Twinrix in a clinical setting, such as a hospital, care center, or pharmacy.
If you miss a scheduled dose of Twinrix, talk with your doctor or pharmacist. They can help reschedule your dose, and provide more information on how a missed dose affects your dosing schedule of Twinrix.
How long do you take Twinrix?
Twinrix is typically prescribed for a limited time. Depending on the dosage schedule, you may receive your last dose of Twinrix 6 months or 12 months after your first dose.
Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.