General Article


, Volume 8, Issue 10, pp 20-30

First online:

The Blue Baby Syndrome

Nitrate poisoning in humans
  • Deepanjan MajumdarAffiliated withDepartment of Environmental Science, Institute of Science and Technology for Advanced Studies and Research (ISTAR) Email author 

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Blue Baby Syndrome or Methemoglobinemia is caused by decreased ability of blood to carry oxygen, resulting in oxygen deficiency in different body parts. Infants are more susceptible than adults. The disease can be caused by intake of water and vegetables high in nitrate, exposure to chemicals containing nitrate, or can even be hereditary. Groundwater gets contaminated by leaching of nitrate generated from fertilizer used in agricultural lands and waste dumps in rural and urban areas. Prevention of water contamination, abstention from drinking contaminated water and controlling nitrate levels in drinking water by water treatment are effective preventive measures against nitrate poisoning.


Cyanosis hemoglobin infants methemoglobinemia nitrate