- Ingestion of contaminated water→ e.g. India or areas where water sources less monitored
- Intentional poisoning
- Nausea, vomiting, diarrhea, abd pain
- Painful neuropathy; can involve motor function as well
- Can cause target organ damage, including: bone marrow suppression, acute kidney injury, hepatitis
- Can be ill appearing
- Peripheral neuropathy; sensory and sometimes motor impairment
- Sometimes mee's lines on nails (white, horizontal lines)
- CBC, chem, LFTs, arsenic level
- Labs and testing to exclude other more common causes for sx and findings.