<p>Racemic epinephrine is a 1:1 mixture of the Dextrorotatory and Levorotatory isomers of epinephrine. Epinephrine has been assigned to pregnancy category C by the US FDA. Epinephrine is only recommended for use during pregnancy when there are no alternatives and benefit outweighs the risk. Epinephrine is excreted into human milk. Due to the potential for serious adverse effects in nursing infants, a decision should be made to discontinue nursing or discontinue the drug.</p>