Overview
Lead is a toxic metal that can enter the body by swallowing or breathing in lead dust, fumes, or particles. Exposure can happen at home, at work, or through certain consumer products and traditional remedies. Lead can build up in the body over time and may harm many organs, especially the brain and nervous system.
Key Symptoms
Lead exposure may cause no symptoms, especially early on. When symptoms happen, they can include stomach pain, constipation, headache, tiredness, irritability, trouble concentrating, weakness, or numbness. In children, signs may include developmental delay, behavior changes, learning problems, or poor growth. Severe exposure can cause vomiting, seizures, confusion, or loss of consciousness.
Causes and Risk Factors
Common sources include peeling or chipped lead-based paint in older buildings, lead-contaminated household dust, polluted soil, and water carried through lead pipes or plumbing. Risk is also higher with certain jobs and hobbies, such as construction, battery work, metal recycling, stained glass, pottery glazing, or shooting ranges. Some imported products, cosmetics, spices, toys, medicines, or traditional remedies may also contain lead.
Who Is Affected
Anyone can be exposed, but young children are especially vulnerable because their bodies absorb lead more easily and their brains are still developing. Pregnant people are also a key group because lead can affect pregnancy and can reach the developing baby. Workers with occupational exposure and families who bring lead dust home on clothing or equipment may also be affected.
Prevention
Reducing exposure starts with finding and controlling the source. In older homes, avoid sanding or scraping old paint without proper precautions, and use trained professionals for renovation if lead paint may be present. Wash hands often, wet-mop dust, remove shoes at the door, use cold water for drinking and cooking if plumbing may contain lead, and follow workplace hygiene steps such as changing clothes and showering after exposure.
Diagnosis and Tests
A blood lead test is the standard way to detect lead in the body. A healthcare professional may also ask about the home, work, hobbies, water source, and possible product exposures. Depending on the situation, public health or environmental testing of paint, dust, soil, or water may be recommended to identify where the lead is coming from.
Treatment Categories
Treatment depends on how much lead is in the body, the person's age, symptoms, and whether the source of exposure can be removed. An important first step is stopping or reducing further exposure. Ongoing medical follow-up may include repeat blood testing and assessment for effects on development or other organs. Severe poisoning may require urgent hospital care and specialized treatment.
When to Seek Medical Care
Seek medical care if you think you or your child may have been exposed to lead, especially if there is an older home with peeling paint, known contaminated water, or a work or hobby source. Also seek care for symptoms such as stomach pain, unusual tiredness, behavior changes, developmental concerns, weakness, or numbness. Pregnant people and young children with possible exposure should be evaluated promptly.
When It May Be an Emergency
Get emergency medical help right away for seizures, severe confusion, fainting, trouble waking up, repeated vomiting, trouble breathing, or sudden severe weakness after possible lead exposure. These may be signs of severe poisoning or another urgent condition that needs immediate care.