Clinical experience in diagnosis and management of acquired methaemoglobinaemia: a case report and retrospective review

Home-prepared vegetables should be avoided in infants younger than 3 months of age.1 Farmers should avoid excessive use of nitrate-containing products during vegetable production, as suggested by agricultural guidelines.2Well water should be monitored for nitrate contamination. Nitrate can also be reduced to nitrite by nitrate reductase intrinsic to plants or bacteria. [...]proper washing, cooking and storage of food rich in nitrates is essential. [...]methaemoglobinaemia can affect a wide age range of patients and be due to a variety of agents. The retrospective analysis of patient data was approved by the University of Hong Kong/Hospital Authority Hong Kong West Cluster institutional review board (Ref UW 19-205) and the requirement for patient consent for publication was waived. 1.