Symptoms

Initially, lead poisoning can be hard to detect — even people who seem healthy can have high blood levels of lead. Signs and symptoms usually don't appear until dangerous amounts have accumulated.

Lead poisoning symptoms in children

Signs and symptoms of lead poisoning in children include:

• Developmental delay
• Learning difficulties
• Irritability
• Loss of appetite
• Weight loss
• Sluggishness and fatigue
• Abdominal pain
• Vomiting
• Constipation
• Hearing loss
• Seizures
• Eating things, such as paint chips, that aren't food (pica)

Lead poisoning symptoms in newborns

Babies exposed to lead before birth might:

• Be born prematurely
• Have lower birth weight
• Have slowed growth

Lead poisoning symptoms in adults

Although children are primarily at risk, lead poisoning is also dangerous for adults. Signs and symptoms in adults might include:

• High blood pressure
• Joint and muscle pain
• Difficulties with memory or concentration
• Headache
• Abdominal pain
• Mood disorders
• Reduced sperm count and abnormal sperm
• Miscarriage, stillbirth or premature birth in pregnant women