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Ferrous salts are available as a generic medication and over the counter. [11] Slow release formulations, while available, are not recommended. [ 12 ] In 2021, ferrous sulfate was the 105th most commonly prescribed medication in the United States, with more than 6 million prescriptions.
The adjective ferrous or the prefix ferro-is often used to specify such compounds, as in ferrous chloride for iron(II) chloride (FeCl 2). The adjective ferric is used instead for iron(III) salts, containing the cation Fe 3+. The word ferrous is derived from the Latin word ferrum, meaning "iron".
Iron(II) oxide or ferrous oxide is the inorganic compound with the formula FeO. Its mineral form is known as wüstite . [ 3 ] [ 4 ] One of several iron oxides , it is a black-colored powder that is sometimes confused with rust , the latter of which consists of hydrated iron(III) oxide (ferric oxide).
Iron(II) fluoride or ferrous fluoride is an inorganic compound with the molecular formula FeF 2. It forms a tetrahydrate FeF 2 ·4H 2 O that is often referred to by the same names. The anhydrous and hydrated forms are white crystalline solids.
Ferrous salt/folic acid is a supplement used to prevent iron deficiency and folic acid deficiency during pregnancy. [1] It can also be used to treat iron deficiency anemia. [1] It is a fixed dose combination of ferrous salt and folic acid. [1] It is taken by mouth. [1] Side effects may include dark stools, constipation, and abdominal pain. [1]
Iron(II,III) oxide, or black iron oxide, is the chemical compound with formula Fe 3 O 4.It occurs in nature as the mineral magnetite.It is one of a number of iron oxides, the others being iron(II) oxide (FeO), which is rare, and iron(III) oxide (Fe 2 O 3) which also occurs naturally as the mineral hematite.
Ferrous tartrate has been used as a steel medicine. [2] [3] It was generally prescribed during the 19th and early 20th centuries. It is usually prepared by digesting for 30 days, 2 ounces (880 grains) tartarated iron [4] in a pint of sherry. [5] It can be difficult to prepare. [6]
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