Infant lead poisoning associated with use of tiro, an eye cosmetic from Nigeria - Boston, massachusetts, 2011.
Summary of "Infant lead poisoning associated with use of tiro, an eye cosmetic from Nigeria - Boston, massachusetts, 2011."
Lead is highly toxic and can damage the brain, kidneys, bone marrow, and other body systems; high levels can cause convulsions, coma, and death. Young children are especially susceptible to lead exposures because of their floor-hand-mouth activity, greater gut absorption, and developing central nervous systems. In June 2011, a male infant aged 6 months of Nigerian descent was referred to the Pediatric Environmental Health Specialty Unit (PEHSU) at Boston Children's Hospital because of an elevated blood lead level (BLL). An investigation found no lead exposure except for "tiro," a Nigerian cosmetic that also is used as a folk remedy to promote visual development. The tiro applied to the infant's eyelids contained 82.6% lead. Products similar to tiro, such as "surma" and "kajal" in Asia and kohl in the Middle East, also might contain lead. This case adds to the medical literature documenting nonpaint lead sources as causes of elevated BLLs in children and highlights persons of certain immigrant populations as a risk group. Educational efforts are needed to inform immigrants from Africa, Asia, and the Middle East that tiro and similar products can cause lead poisoning in children. Health-care providers and public health workers should ask about eye cosmetics and folk remedies when seeking a source of exposure in children with elevated BLLs from certain immigrant populations.
Affiliation
Journal Details
This article was published in the following journal.
Name: MMWR. Morbidity and mortality weekly report
ISSN: 1545-861X
Pages: 574-6
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22854626
- DOI: http://dx.doi.org/
Medical and Biotech [MESH] Definitions
Lead Poisoning, Nervous System
Injury to the nervous system secondary to exposure to lead compounds. Two distinct clinical patterns occur in children (LEAD POISONING, NERVOUS SYSTEM, CHILDHOOD) and adults (LEAD POISONING, NERVOUS SYSTEM, ADULT). In children, lead poisoning typically produces an encephalopathy. In adults, exposure to toxic levels of lead is associated with a peripheral neuropathy.
Lead Poisoning, Nervous System, Childhood
Neurologic disorders occurring in children following lead exposure. The most frequent manifestation of childhood lead toxicity is an encephalopathy associated with chronic ingestion of lead that usually presents between the ages of 1 and 3 years. Clinical manifestations include behavioral changes followed by lethargy; CONVULSIONS; HALLUCINATIONS; DELIRIUM; ATAXIA; and vomiting. Elevated intracranial pressure (HYPERTENSION, INTRACRANIAL) and CEREBRAL EDEMA may occur. (From Adams et al., Principles of Neurology, 6th ed, p1210-2)
Lead Poisoning, Nervous System, Adult
Neurologic conditions in adults associated with acute or chronic exposure to lead or any of its salts. The most common lead related neurologic syndrome in adults consists of a polyneuropathy involving motor fibers. This tends to affect distal nerves and may present as wrist drop due to RADIAL NEUROPATHY. Additional features of chronic lead exposure include ANEMIA; CONSTIPATION; colicky abdominal pain; a bluish lead line of the gums; interstitial nephritis (NEPHRITIS, INTERSTITIAL); and saturnine gout. An encephalopathy may rarely occur. (From Adams et al., Principles of Neurology, 6th ed, p1212)
Ciguatera Poisoning
Poisoning caused by ingestion of SEAFOOD containing microgram levels of CIGUATOXINS. The poisoning is characterized by gastrointestinal, neurological and cardiovascular disturbances.
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