The main diagnostic criteria for lead poisoning in children are two consecutive venous blood collections with lead concentrations ≥200mg/L. Lead poisoning in children can produce relevant clinical symptoms and affect the child’s later development.
Clinically, two consecutive venous blood collections with lead concentration ≥100mg/L and <200mg/L are called high lead concentration, and ≥200mg/L is called lead poisoning.
Acute lead poisoning can be manifested as a metallic taste in the mouth, severe headache in the abdomen, vomiting, convulsions, etc. Symptoms of chronic lead poisoning include poor appetite, abdominal pain, constipation, etc., and it can affect the child’s ability to learn, resulting in learning disabilities and anemia.
If children have lead poisoning, they should seek medical treatment in time to avoid delaying their condition.