What is dihydrotachysterol? Dihydrotachysterol is a form of
vitamin D. Vitamin D is needed by the body to keep your bones
and teeth healthy. It also helps your body absorb and use
calcium more efficiently to help protect bones and teeth.
Dihydrotachysterol is used to treat hypocalcemia (lack of
calcium in the blood) and hypoparathyroidism (lack of
parathyroid hormone in the body). Dihydrotachysterol may also be
used for purposes other than those listed in this medication
guide. Before using this medication, tell your doctor if you
have: - heart disease; - circulation problems; - kidney disease;
or If you have any of these conditions, you may not be able to
use dihydrotachysterol , or you may need a dosage adjustment or
special tests during treatment. FDA pregnancy category C. This
medication may be harmful to an unborn baby. Tell your doctor if
you are pregnant or plan to become pregnant during treatment. It
is not known whether dihydrotachysterol passes into breast milk
or if it could harm a nursing baby. Do