I love the stuff. Don't get me wrong, there have been no proven benefits from taking it, as it has not been shown to heal any malady, nor prevent one. However, it can cause argyria if too much of it builds up in your system. Argyria isn't automatically fatal, but it can make you look like a giant smurf.
http://en.wikipedia.org/wiki/Argyria
or just for a pic
http://www.silvermedicine.org/argyria_man.jpg
Since I am an incurable smartass, and NOT a physician, I readily appreciate the humor of someone turning himself into a giant smurf for no good reason. I mean...you couldn't even pay most people enough money to do this to themselves, yet every year, dozens of people do so voluntarily, thinking it's some sort of home-brewed witch doctor cure-all.
I don't wish you ill Andy. You seem like a pretty good guy...one of the few around here who seems to be able to carry on an intelligent discussion when you want to, and who doesn't think debating a subject means name calling and throwing crap. I suspect a lot of people here would miss you if you were ever to leave.
However, if you are intent on pursuing this course of non-treatment, I would ask that you please post a pic once you reach the Veruca Salt stage. I haven't had a lot of chances to see people who turn blue after I already knew what they looked like as a different color.
Incidentally, I doubt you'd find many qualified physicians recommending it. The Mayo clinic, among many others, does not, and indicates that in some cases it can cause kidney damage and seizures.
http://www.mayoclinic.com/health/colloidal-silver/AN01682
#6 Different thing altogether. In fact, your son may just be a quick healer (aren't most kids?). Your son was likely treated with a cream that included silver sulfadiazine.
The NIH has posted a comment suggesting that such ointments should no longer be considered first-line treatment:
Cole suggests using up to four overlapped layers of paraffin gauze to obviate this drawback.2 Silver sulfadiazine ointment is widely used in treating burns. In the few randomised controlled trials on the use of silver sulfadiazine in the treatment of burns, silver sulfadiazine has always shown worse results than biosynthetic dressings and hydrocolloid.3,4 Despite all this the use of silver sulfadiazine is still recommended. Chung et al have written an article with an explicit title on this type of treatment.5
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC498043/
Seeing as you have all that book larnin', I won't go into detail...suffice it to say that colloidal silver essentially is a product that has fine particles of silver floating in it. Something that may be good for us in one form can be quite harmful in another form (and conversely, other forms can be even more therapeutic). Doctors also use to use silver nitrate on burns and cuts years ago, but I haven't seen it used in decades myself.
This is nothing new. In fact, colloidal silver has been around for years. I would think that if it had any therapeutic value, that would have been discovered by now. However, too much of something in the wrong form can be unhealthy. We need copper in our diets, for example, but too much can create copper toxicity, with nasty side effects. If there is an outbreak of certain diseases in my aquariums, the recommended treatment for some of those diseases is copper. However, copper in ionic form works better than chelated copper, and too much of either kind can kill everything in the tank.
I'd look to the chemical form, the history and the literature before putting anything like that in my system. Personally, I'm not anxious to turn into a smurf.