A female client is prescribed warfarin. The client also uses oral contraceptives. The nurse would assess the client closely for which of the following? Select all that apply
A) Bruising
B) Blood in the stool
C) Subtherapeutic INR
D) Supratherapeutic INR
E) Calf pain and warmth
Ans: C, E
Feedback:
Coadministration of warfarin and oral contraceptives can result in a decreased anticoagulant effect, leading to subtherapeutic INR and increased chance of clotting (signs and symptoms of DVT or PE).
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