铅中毒是一种最古老和最常见的职业中毒,工业生产中毒主要为慢性中毒。起病缓慢,呈隐匿性过程,有时早期无任何症状,仅出现血液上变化,临床以失眠、多梦、头昏、便秘或/和腹泻多见,体征可有口腔铅线,手指、眼睑、舌震颤,手心多汗,膝反射活跃。严重有贫血、腹绞痛、多发性神经炎、铅麻痹、铅脑病,而铅中毒引起眼的改 Lead poisoning is one of the oldest and most common occupational poisonings and the major cause of industrial poisoning is chronic poisoning. Slow onset, was occult process, sometimes without any early symptoms, blood changes only appear clinically insomnia, dreaminess, dizziness, constipation and / or diarrhea more common signs may have oral lead, fingers, eyelids, Tongue tremor, palms sweat, knee reflex active. Severe anemia, abdominal colic, polyneuritis, lead paralysis, lead encephalopathy, and lead poisoning caused by eye change