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Is silver toxic to humans?
Is silver jewelry dangerous to wear? Can it cause body toxicity and serous symptoms?
Which silver forms are most dangerous? And is natural silver radioactive or not?
Learn it right below!
Take this quiz to test your knowledge on silver toxicity.
Which Silver Forms are Toxic to Humans? And Which are Safe?
Metallic silver in its solid, bulk form (e.g., in jewelry or silverware) is safe because it is biologically inert and not easily absorbed by the body.
In contrast, certain silver forms are highly toxic to human bodies and these are the ones yo should stayaway from.
However, the toxic forms of silver are substances you’ll never find in day to day life unless you’re a chemist working in a lab. So you shouldn’t worry too much about silver toxicity, but you should still know a little bit about it.
The common toxic silver forms are silver iodide, silver nitrate, silver fulminate and silver oxide.
- Silver iodide. Silver iodide is an inorganic compound used primarily in weather modification (cloud seeding) and in photography. It’s a yellow salt that’s insoluble in water and has a crystalline structure similar to ice. Silver iodide has antiseptic properties and is used in some medical treatments.
- Silver nitrate. Silver nitrate is an inorganic chemical compound composed of silver, nitrogen, and oxygen. It appears as a white or colorless crystalline solid that turns black when exposed to light or organic matter. Silver nitrate is highly soluble in water and has numerous applications, including use in photography, as a topical antiseptic and cauterizing agent in medicine.
- Silver fulminate. Silver fulminate is an extremely sensitive and powerful primary explosive compound with the chemical formula \(AgCNO\). It is notoriously unstable, detonating from minimal stimuli like a touch, static discharge, or the impact of a water droplet. This instability severely limits silver fulminate’s practical use.
- Silver oxide. Silver oxide is an inorganic compound that appears as a black or dark brown powder. It’s an ionic compound formed from two silver ions and one oxygen ion and is used in various applications, most notably in silver-zinc and zinc/silver oxide batteries, as a catalyst in organic reactions, and as a precursor for other silver compounds.
Is Silver Jewelry Toxic or Not?
No, silver jewelry isn’t toxic. It’s safe to wear for prolonged periods of time.
Solid silver isn’t toxic because it’s biologically inert and doesn’t react in any way with body’s skin, organs and tissue.
However, prolonged or high-level exposure to silver in other forms, such as dust, fumes, or certain compounds leads to a permanent blue-gray skin discoloration known as argyria.
Can Silver Jewelry Cause Skin Discoloration (Argyria)?
No, silver jewelry can’t permanently discolor human skin and cause argyria.
Argyria is caused by prolonged exposure to silver that occurs when silver is ingested, inhaled, or absorbed through the skin, leading to its accumulation in the body.
Common silver sources include supplements like colloidal silver, medications, and occupational exposure in industries that use silver.
Symptoms of argyria other than skin pigmentation change are abdominal pain, fatigue, headaches, kidney and liver damage, and skin irritation.
Bottom line is that silver jewelry is safe for everyone except for rare people allergic to silver.
Here’s an example of a man stricken with argyria gotten from prolonged colloidal silver usage.
Is Silver Toxicity the Same as Silver Allergies?
No, silver toxicity and silver allergies aren’t the same.
The toxic silver forms covered above are toxic to all humans and most animals.
Only a small percentage of people are allergic to silver and to them silver is dangerous though far from being fatally toxic.
Bottom line is that any toxic type of silver will be toxic to you, even if you aren’t allergic to silver.
Is Silver Bullion Toxic Or Not?
No, silver bullion isn’t toxic.
Silver coins and bars are made from solid silver, and solid silver isn’t toxic to humans. So you don’t have anything to worry about it,
Note: getting scammed is the bigger worry when buying silver and other precious metals from dealers.
Most precious metals dealers are legit, but there’s always those looking to scam unsuspected investors out of their retirement savings. You can check out my gold IRA scams guide to learn more.
I recommend you check out Augusta Precious Metals if you want to buy legit silver bullion.
Augusta is the best gold investment company in the USA and they sell IRA-approved silver to people looking to open silver IRA accounts.
With Augusta you won’t have to worry about getting fake silver instead of the real thing.
Is Silver Toxic to Pets and Other Animals?
Yes, silver is toxic to pets and pretty much all other animals exposed to it.
We’re talking here about the toxic silver forms I covered in my guide above (silver nitrate, silver fulminate, silver oxide and silver iodide).
However, as I mentioned before these silver forms are only found in a chemist lab so a chance of exposure is low for regular humans and nil for most animals (cats, dogs, horses, hamsters, turtles, birds…).
Note: solid silver is inert and isn’t toxic to animals just as it isn’t toxic to humans.
However, you’d need to take your pet to a vet as soon as possible if it were to swallow a silver coin, earring or any other small piece of silver jewelry.
Is Silver Radioactive or Not? Is it Harmful to Humans?
No, naturally occurring silver isn’t radioactive and harmful to human health. It’s safe.
Natural silver composed of two stable isotopes, silver-107 and silver-109. These two stable silver isotopes combined make solid silver nonradioactive and 100% safe for humans.
However, silver isotopes can be created in a lab or through nuclear processes, and these are dangerous to human health and highly radioactive.
Luckily, artificial radioactive sliver isotopes aren’t found in nature and you’ll probably never be exposed to them.
Bottom line is that all silver jewelry, silver bullion and even colloidal silver is nonradioactive and perfectly safe.
Note: There are 28 known radioactive silver isotopes. Some of these have medical and industrial uses.
Radioactive silver isotopes are used as tracers for industrial applications like leak detection and flow monitoring, as well as for medical purposes such as cancer therapy and non-invasive imaging.
Is Silver Toxic to Humans? Is it Radioactive and Harmful? Can Silver Jewelry and Bullion Cause Body Toxicity? (Conclusion)?
Solid metallic silver found in jewelry and bullion is safe and non-toxic because it’s biologically inert and doesn’t react with human tissue.
However, certain chemical forms of silver are highly toxic, including silver nitrate, silver iodide, silver fulminate, and silver oxide.
These compounds are primarily used in specialized industrial or laboratory settings and aren’t encountered in everyday life.
Prolonged exposure to toxic silver forms can cause argyria, a permanent blue-gray skin discoloration, along with symptoms like abdominal pain, fatigue, and organ damage.
This typically occurs through ingestion or inhalation, often from colloidal silver supplements or occupational exposure and doesn’t happen from wearing silver jewelry.
Silver allergies, while rare, are different from silver toxicity. Allergic individuals may experience reactions, but solid silver jewelry remains safe for most people. Similarly, silver bullion poses no toxicity risk to humans or pets.
Natural silver isn’t radioactive and harmful to human health. Radioactive silver isotopes exist, but only in chemical labs and during nuclear disasters.
References:
- Contact dermatitis with a highlight on silver: a review- https://pubmed.ncbi.nlm.nih.gov/25901581/
- Silver iodide- https://en.wikipedia.org/wiki/Silver_iodide
- Silver nitrate- https://en.wikipedia.org/wiki/Silver_nitrate
- Silver oxide- https://en.wikipedia.org/wiki/Silver_oxide
- Paul Karason- https://en.wikipedia.org/wiki/Paul_Karason
- Isotopes of silver- https://en.wikipedia.org/wiki/Isotopes_of_silver
Nikola Roza
Nikola Roza is a blogger behind Nikola Roza- SEO for the Poor and Determined. He writes for bloggers who don't have huge marketing budget but still want to succeed. Nikola is passionate about precious metals IRAs and how to invest in gold and silver for a safer financial future. Learn about Nikola here.
