Can the copper coil in copper IUDs cause emotional distress?

There isn't any scientific study out that researches whether a copper IUD can cause copper toxicity. Copper toxicity is usually cited as the reason the Paraguard causes PMS like symptoms. Though having a Paraguard can increase the copper levels in the blood, usually the body is able to rid itself of the excess. read more

Cu is toxic in the body as a permanent implant, but can be used as an alloy (like NiTiCu) for orthodontic devices, because it is temporary and not in direct contact with blood. for birth control devices, regardless of what the manufacturer says, Cu devices can cause Cu toxicity if you are sensitive to Cu in general, just as some people are hypersensitive to Ni. read more