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What are some uses of pyridoxine hydrochloride or vitamin B-6?

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Pyridoxine, or vitamin B-6, treats hereditary sideroblastic anemia, macular degeneration, low blood pressure and behavior disorders in children caused by low serotonin levels, when taken in initial daily doses of 200 to 600 milligrams, reports WebMD. It is used to treat and prevent the anemia associated with a pyridoxine deficiency and is the treatment of choice recommended by the American College of Obstetrics and Gynecology for the nausea and vomiting experienced by pregnant women.

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Pyridoxine appears to be more effective in treating severe nausea than mild or moderate in pregnant women, and doxylamine is often added to the protocol for women who are not responsive to pyridoxine alone, explains WebMD. When combined with vitamin B-12 and folic acid, 50 milligrams of vitamin B-6 per day prevents the age-related vision loss caused by macular degeneration. Combining vitamin B-6 with folic acid lowers blood homocysteine levels, a chemical believed to be associated with heart disease.

Individuals who smoke can reduce the risk of lung cancer with pyridoxine, and when combined with magnesium, it lowers the risk for kidney stones in individuals with a genetic predisposition for forming them, reports WebMD. When taken in daily doses of 50 to 100 milligrams, pyridoxine relieves premenstrual symptoms, and early research indicates that it prevents painful periods, or dysmenorrhea. While vitamin B-6 may reduce depression in postmenopausal women, the same results are not found in other age groups. This vitamin is found in dietary sources including beans, meat, eggs and cereals and is also manufactured in laboratories.

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