Appropriate medical treatment & monitoring are recommended in case of anaphylactic reaction after vaccination. Do not administer intravascularly, intradermally & into the buttocks. Patients w/ impaired immunity. Possible syncope especially in adolescents; may be accompanied by several neurological signs (eg, transient sight disorders, paraesthesia & tonic-clonic limb movements during recovery phase). May induce decreased immune response to vaccine w/ immunosuppressive treatment or immunodeficiency. May have no effect on hepatitis A development. May not obtain a protective immune response as w/ all vaccines. No protection against hepatitis B, C or E, or by other known liver pathogens. Contains ethanol, phenylalanine (may be harmful for people w/ phenylketonuria), K & Na. Patients w/ liver disease. Pregnancy.