Understanding Lab Tests for Arsenic Poisoning
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Arsenic poisoning occurs when dangerous levels of arsenic accumulate in the body, typically through contaminated water, food, or occupational exposure. This toxic heavy metal can cause serious health problems including gastrointestinal distress, cardiovascular issues, and neurological symptoms.
Recommended Test
Heavy Metals Panel, Blood
This comprehensive blood test directly measures arsenic levels along with other toxic heavy metals in the bloodstream. Elevated arsenic concentrations can confirm poisoning and help explain symptoms such as abdominal pain, diarrhea, nausea, and abnormal heart rhythm. Early detection through this test is crucial for preventing serious long-term health complications.
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Diagnosing Arsenic Poisoning
Because arsenic poisoning symptoms can mimic other conditions, laboratory testing is essential for accurate diagnosis. Blood testing can directly measure arsenic levels in the body, providing definitive evidence of toxic exposure and helping healthcare providers determine appropriate treatment.
When to Consider Testing
Arsenic testing should be considered if you have unexplained gastrointestinal symptoms, skin changes, or neurological issues, especially with known exposure risks such as contaminated well water, certain occupational environments, or consumption of high-risk foods like certain rice products or seafood from polluted areas.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment. If you suspect acute arsenic poisoning, seek immediate medical attention.
