Pregnancy: Pregnancy Category C. Animal reproduction studies have not been conducted with PNEUMOVAX 23.
It is not known whether PNEUMOVAX 23 can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. PNEUMOVAX 23 should be given to pregnant women only if clearly needed.
Nursing Mothers: It is not known whether this vaccine is excreted in human milk. Caution should be exercised when PNEUMOVAX 23 is administered to a nursing mother.