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J.2 Symptoms of Lead Poisoning
Children with elevated blood lead levels (EBLLs) in the range of 10-45µg/dL are generally asymptomatic, although neurodevelopment impairment may become evident as they age. Symptoms usually do not appear until blood lead levels (BLLs) are in the higher ranges. Very high lead levels may cause colic, constipation, anorexia and vomiting. Venous blood lead levels over 70µg/dL are a serious medical emergency. Most children seen by health-care providers in Texas present with BLLs less than 30µg/dL and have no symptoms; however it is important not to equate absence of symptoms with absence of toxicity.
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