The use of silver instead of antibiotics is incredibly popular as an alternative medical treatment for various ailments. It can be taken by mouth and swallowed (colloidal silver supplements) or applied to skin wounds. However, when colloidal silver is ingested, it stays in the body and builds up over time - in the skin, the organs, fingernails.
It's not clear how much colloidal silver you can ingest before it's harmful. But in large amounts it can result in a blue-gray tint of the skin, eyes, organs, nails, and gums - this condition is called argyria. Unfortunately, even if a person stops taking silver, the blue-gray tint remains. There have been a number of cases reported in the medical literature of argyria, for example a man who ingested it daily for one year ("to ward off infections").
The U.S. Food and Drug Administration (FDA) has warned that colloidal silver isn’t safe or effective for treating any disease or condition and has taken action against a number of companies for making misleading claims about colloidal silver products.
The following article describes one such case in an elderly man in Hong Kong. Excerpts from Ars Technica: Man turns irreversibly gray from an unidentified silver exposure
When an 84-year-old man in Hong Kong was admitted to a hospital for a condition related to an enlarged prostate, doctors noticed something else about him—he was oddly gray, according to a case report in the New England Journal of Medicine. ...continue reading "Silver Supplements Build Up In the Body"