Doses five-fold higher than the recommended dose caused only mild, mainly gastro-intestinal adverse reactions which did not require medical treatment. Overdosing can increase the possibility of shedding S. typhi Ty21a organism in the faeces.

Primary and acquired immunodeficiency, including that from treatment with immunosuppressive and antimitotic drugs, acute febrile illness: acute intestinal infection, allergic reactions to a previous dose, and hypersensitivity to the vaccine or to any of the inactive components.

Last reviewed on RxList: 9/30/2008
This monograph has been modified to include the generic and brand name in many instances.