DIFFERENTIAL DIAGNOSIS OF HYPERPIGMENTATION

Differential diagnosis of hyperpigmentation are : 
-drugs - busulphan, arsenicol
-scleroderma
-cirrhosis liver
-Addison's disease
-Fetty's syndrome
-hemochromatosis
-malnutrition
-pernicious anemia
-folic acid deficiency 
-starvation 
-pellagra
-porphyria lutea
-irradiation 
-internal malignancy 
-arsenic poisoning 
-onchocerca volvulus
-post dermal kala azar 
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