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Introduction
Discovering the Problem
Arsenic in Nature
Source of Contamination
Arsenicosis: Toxic Effects
Feature of Arsenicosis
Confirmation of Diagnosis
Treatment
Arsenic Detection
De-arsination
Control Measures
WHO Recommendations
Contact us
© Copyright: MIG 1998		  

Arsenic Contamination of Drinking Water
Bangladesh is the
World's Most Vulnerable Country

Table-4. Clinical Feature of Arsenicosis as observed in Bangladesh

Preclinical Stage

Initial Stage

Second Stage

Last Stage
No clinical manifestation Melanosis, keratosis, conjunctivitis, bronchitis, gastroenteritis Depigmentation (leucomelanosis), hyperkeratosis, non-pitting edema of legs, peripheral nephropathy, hepatopathy Nephropathy, hepatopathy, gangrene, cancer of skin, bladder and lung

In Bangladesh, majority of patients are in initial and second stages

Cardinal Features of Diagnosis for Bangladesh

History of drinking arsenic contaminated water

Melanosis of palm, trunk, tongue, gum or lips

With or without Symmetric keratosis of sole or palm