Methemoglobinemia after ingestion of Chinese herbal medicine in a 9-day-old infant

Bosco Chan Department of Paediatrics and Adolescent Medicine, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, MRCPCH , MBBS,

Lee Qun Ui Department of Paediatrics and Adolescent Medicine, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, FHKCPaed , MRCP , FHKAM,

Tang Po Ming

, FHKCPaed , MRCP , FHKAM,

C.K. Lai Department of Pathology and HA Toxicology Reference Laboratory, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, MSc,

B.Y. Chan Department of Pathology and HA Toxicology Reference Laboratory, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, MSc,

W.T. Poon Department of Pathology and HA Toxicology Reference Laboratory, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, MSc , MBBS,

Albert Chan Department of Pathology and HA Toxicology Reference Laboratory, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, FRCP , MD , FRCPath &

Chow Chun Bong Department of Pathology and HA Toxicology Reference Laboratory, Princess Margaret Hospital, Hong Kong SAR, People's Republic of China

, FHKCPaed , MRCP , FHKAM show all

Abstract

Traditional Chinese Medicine has long been popular among Chinese people, but it is always difficult for physicians to ascertain the nature and use of different ingredients involved. We report case of a 9-day-old infant who ingested home-made herbal medicine and developed cyanosis with methemoglobinemia. He responded to a single dose of methylene blue therapy. The suspected causative agent identified in the herbal medicine was sulfamethazine. This is the first reported case of methemoglobinemia related to the use of Chinese herbal medicine in the newborn period.

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Methemoglobinemia after ingestion of Chinese herbal medicine in a 9-day-old infant

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Methemoglobinemia after ingestion of Chinese herbal medicine in a 9-day-old infant

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