Generic name: HEPATITIS A VIRUS STRAIN HM175 ANTIGEN (FORMALDEHYDE INACTIVATED) 720[iU] in 1mL, HEPATITIS B VIRUS SUBTYPE ADW2 HBSAG SURFACE PROTEIN ANTIGEN 20ug in 1mL
Dosage form: injection, suspension
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TWINRIX should be administered by intramuscular injection. Do not inject intravenously or intradermally. In adults, the injection should be given in the deltoid region. TWINRIX should not be administered in the gluteal region; such injections may result in a suboptimal response.
Primary immunization for adults consists of 3 doses, given on a 0-, 1-, and 6-month schedule. Alternatively, a 4-dose schedule, given on days 0, 7 and 21 to 30 followed by a booster dose at month 12 may be used. Each 1-mL dose contains 720 EL.U. of inactivated hepatitis A virus and 20 mcg of hepatitis B surface antigen.
When concomitant administration of other vaccines or immunoglobulin (IG) is required, they should be given with different syringes and at different injection sites.
Preparation for Administration:
Shake vial or syringe well before withdrawal and use. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. If either of these conditions exists, the vaccine should not be administered. With thorough agitation, TWINRIX is a slightly turbid white suspension. Do not administer if it appears otherwise.
The vaccine should be used as supplied; no dilution or reconstitution is necessary. The full recommended dose of the vaccine should be used. After removal of the appropriate volume from a single-dose vial, any vaccine remaining in the vial should be discarded.