
Tell your doctor if you are pregnant or if you become pregnant while taking ergocalciferol.Įrgocalciferol can pass into breast milk and may cause side effects in the nursing baby. Too much vitamin D could harm an unborn baby, and your dose needs may be different during pregnancy. Ask a doctor before using ergocalciferol if you have allergies, diabetes, or phenylketonuria (PKU). High levels of calcium in your blood ( hypercalcemia) orĪny condition that makes it hard for your body to absorb nutrients from food (malabsorption).Ĭertain forms of ergocalciferol may contain ingredients you should know about, such as peanut or soybean oil, sugar, aspartame (phenylalanine), or certain food dyes.

High levels of vitamin D in your body (hypervitaminosis D) You should not take ergocalciferol if you have had an allergic reaction to vitamin D, or if you have:
