Generic Name and Formulations:
Hepatitis A inactivated 720 ELISA Units (EL.U.), hepatitis B surface antigen (recombinant) 20mcg; per mL; susp for IM inj; aluminum adsorbed; contains trace amounts of thimerosal, formalin, neomycin, yeast protein.
Indications for TWINRIX:
Hepatitis A and hepatitis B immunization.
≥18yrs: 1 inj IM in deltoid area at 0-, 1-, and 6 months. Alternate 4-dose schedule: 1 inj IM in deltoid area at 0-, 7-, and 21 to 30-days followed by booster dose at month 12.
<18yrs: not recommended.
May defer in acute febrile illness or active infection. Bleeding disorders. Thrombocytopenia. Immunodeficiency: may get suboptimal response. Have epinephrine (1:1000) inj available. If given with immune globulin, use separate syringe and different site. Pregnancy (Cat.C). Nursing mothers.
Immunosuppressives may reduce efficacy.
Inj site reactions, headache, fatigue, GI upset, fever.
Register pregnant patients exposed to Twinrix by calling (888) 452-9622. Report adverse events to VAERS by calling (800) 822-7967.
Single-dose vials—1, 10; Single-dose prefilled syringes—5