Environmental
Factors
Usome factors that may cause alterations
in self- antigen
eDrugs
eToxins
ËPenicillin
- autoimmune Hemolytic anemia
ËProcainamide
- SLE
ËMercuric
chloride - antinuclear antibodies
ËPolyvinyl
chloride - scleroderma
ËSilicon -
scleroderma & Rheumatoid arthritis
eUltraviolet
radiation
Ëcorrelated
to increased risk for skin cancers but not with autoimmune disorders
