Symptoms of iron allergy
summary
Iron is widely distributed in daily life, accounting for 4.75% of the earth's crust, ranking the fourth after oxygen, silicon and aluminum. Pure iron is a silver white metal with good flexibility and ductility, which is used to make iron cores of generators and motors. Iron and its compounds are also used to make magnets, medicines, inks, pigments, abrasives, etc. it is one of the "black metals" in industry (the other two are chromium and manganese) (its pure pig iron is silver white, Iron is called "ferrous metal" because the surface of iron is often covered with a protective film of black ferric oxide [1]. In addition, the human body also contains iron, and the + 2 ferrous ion is an important component of hemoglobin, which is used for the transportation of oxygen. Symptoms of iron allergy? Let's talk about it
Symptoms of iron allergy
Once wearing earrings, the earlobe will be red and swollen, even running water. Some people will have itchy rash on their wrists after wearing watches. Some people will also have rash and peeling when wearing glasses. These are typical metal allergy phenomena.
Among the metals, nickel is the most likely to cause allergic contact dermatitis. Whether there will be an allergic reaction to nickel mainly depends on the quality of the human body. The allergic reaction is often manifested after a period of exposure.
The most common phenomenon is that if the skin contacts the metal containing nickel, there will be sweating, which will release the nickel salt in the metal, and then cause skin allergy and inflammation. The common Eczema reaction around the navel is mostly the contact dermatitis caused by the metal button on the pants or the metal buckle on the belt.
matters needing attention
The common metal products that cause skin allergy include hairpins, earrings, zippers, necklaces, spectacle frames, watches, belt buckles, buttons, scissors, nickels, etc. If you suspect that you may be allergic to metals, you can ask a dermatologist for a patch test to determine whether you should avoid contact with nickel containing products.