(Science: dermatology) Deposition of silver salts in the skin from excessive oral intake. Signs: permanent blue to bronze discolouration of the skin and mucosa that is darker in regions exposed to light.
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... stop the treatment once the infection is gone. Long-term use of very large doses of silver can cause a bluish discoloration of the skin called argyria. Occasionally, colloidal silver can be so effective that the immune system can't handle the rapid dying off of microorganisms. This excess die-off ...
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