The risk of overwhelming septicaemia, most commonly due to encapsulated organisms, is well recognised post-splenectomy. Although a similar risk is documented in hyposplenic patients, many physicians do not routinely give prophylaxis here. We report the case of a 41 year old woman with adult onset coeliac disease who developed pneumococcal meningitis resulting in severe residual disability and suggest that prophylaxis should be given to such individuals who have evidence of reduced splenic function.