A patient has been taking warfarin (Coumadin) daily and is also taking aspirin (acetylsalicylic acid) for rheumatoid arthritis

A nurse is aware of the actions of these medications and should be most concerned if the patient were to report complaints of
a. a loose tooth.
b. a urinary tract infection.
c. stiffness in the joints.
d. easy bruising.


ANS: D
Complaints of easy bruising should concern the nurse because of the drug-to-drug interaction of two competing antagonist anticoagulant agents.
A loose tooth does not indicate any adverse effects from the combination of warfarin and acetylsalicylic acid.
Complaints of a UTI do not indicate any adverse effects from the combination of warfarin and acetylsalicylic acid.
Complaints of stiffness in the joints would not be the greatest concern in a patient taking both warfarin and acetylsalicylic acid.

Nursing

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