Judy, The only situation I've ever heard of was one member, a couple years back, who had been using a commercial product and getting better from whatever condition she was dealing with, and then tried switching to CS she had started making herself.
Her reaction to her first dose of the new home-made CS sounded like an intense Herxheimer reaction or possibly the shock-like symptoms you might get if exposed to something you are intensely allergic to: sudden dizziness, nausea, tunnel vision, all the symptoms of suddenly lowered blood pressure. The rate of onset was virtually instantaneous after consuming a smallish dose and the severity such that she was quite frightened. The mystery is just why it happened... Either the commercial prep was *not* potent and she'd never actually had silver before, or her home-made was drastically more effective or otherwise different somehow, or it was entirely a coincidence. Her doctor told her she was allergic to it and told her to stop taking CS, which she did. No followup was possible. She didn't have any more of the commercial prep to have any tested, plus it was a brand that others had been using with good results. Understandably, she was reluctant to attempt a second dose! Her CS was the typical low ppm LVDC stuff many of us make, as I recall. That's the only case I know of. Worrisome but not conclusive. I generally suggest people I talk to start out with one *very* small dose for the first time -- something like a few drops -- just to make sure they can tolerate it well. Hope that helps. Mike D. [Mike Devour, Citizen, Patriot, Libertarian] [[email protected] ] [Speaking only for myself... ] -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] Silver-list archive: http://escribe.com/health/thesilverlist/index.html List maintainer: Mike Devour <[email protected]>

