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Heavy metal poisoning refers to when excessive exposure to a heavy metal affects the normal function of the body. Examples of heavy metals that can cause toxicity include lead, mercury, arsenic, cadmium, and chromium. Exposure may occur through the diet, from medications, from the environment, or in the course of work or play. Heavy metals can enter the body through the skin, or by inhalation or ingestion. Toxicity can result from sudden, severe exposure, or from chronic exposure over time. Symptoms can vary depending on the metal involved, the amount absorbed, and the age of the person exposed. For example, young children are more susceptible to the effects of lead exposure because they absorb more compared with adults and their brains are still developing. Nausea, vomiting, diarrhea, and abdominal pain are common symptoms of acute metal ingestion. Chronic exposure may cause various symptoms resulting from damage to body organs, and may increase the risk of cancer. Treatment depends on the circumstances of the exposure.
Biomarker and diagnostic research for heavy metal poisoning has been reported in the published literature.
1 clinical trial registered. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
332 publications have been identified in PubMed for heavy metal poisoning. Kisho has analyzed 107 by research type. Research spans Review / Meta-Analysis (35%), Epidemiology / Natural History (22%), and Case Report / Case Series (18%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 37 |
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 9:41 AM UTC
Genetic and Rare Diseases Info Center
Disease patterns and progression | 24 | 22% |
Patient case studies | 19 | 18% |
Laboratory research | 18 | 17% |
Testing and diagnosis research | 5 | 5% |
New treatment approaches | 2 | 2% |
Other research | 1 | 1% |
Clinical study results | 1 | 1% |
El Balkhi S (2026). [PMID: 41358615](https://pubmed.ncbi.nlm.nih.gov/41358615/). *Ther Drug Monit*. [Review / Meta-Analysis]
Zhang C (2026). [PMID: 41679612](https://pubmed.ncbi.nlm.nih.gov/41679612/). *Microb Pathog*. [Basic Science / Preclinical]
Vaguldas V (2026). [PMID: 42152990](https://pubmed.ncbi.nlm.nih.gov/42152990/). *Indian J Microbiol*. [Basic Science / Preclinical]
Di Pierro E (2026). [PMID: 41268747](https://pubmed.ncbi.nlm.nih.gov/41268747/). *J Intern Med*. [Diagnostic / Biomarker]
Naoom AY (2026). [PMID: 42084695](https://pubmed.ncbi.nlm.nih.gov/42084695/). *Biometals*. [Basic Science / Preclinical]
Massadeh AM (2026). [PMID: 40544196](https://pubmed.ncbi.nlm.nih.gov/40544196/). *Biol Trace Elem Res*. [Epidemiology / Natural History]
Calles García M (2026). [PMID: 41883110](https://pubmed.ncbi.nlm.nih.gov/41883110/). *Chemistry*. [Basic Science / Preclinical]
Iverson OC (2026). [PMID: 41626584](https://pubmed.ncbi.nlm.nih.gov/41626584/). *Acad Pathol*. [Case Report / Case Series]
Chakif D (2026). [PMID: 42074156](https://pubmed.ncbi.nlm.nih.gov/42074156/). *Int J Mol Sci*. [Review / Meta-Analysis]
Guarnizo-Lozano A (2026). [PMID: 41323174](https://pubmed.ncbi.nlm.nih.gov/41323174/). *Radiol Case Rep*. [Case Report / Case Series]