The Client Is Being Treated with Conjugated Estrogen (Prempro)

The client is being treated with conjugated estrogen (Prempro) . She tells the nurse that she is also taking a tricyclic antidepressant. The nurse anticipates that the interaction of the two drugs may result in a(n) :

A) decreased amount of conjugated estrogen.
B) decreased amount of the tricyclic antidepressant.
C) anaphylactic reaction to the medication.
D) toxic level of the medication.