Asked by Addie Mejia on Jul 04, 2024
Verified
Laboratory test results indicate that warfarin anticoagulant therapy is suddenly ineffective in a patient who has been taking the drug for an extended time.The nurse suspects an interaction with herbal medications.What type of interaction does the nurse suspect?
A) Antagonistic drug interaction
B) Synergistic drug interaction
C) Idiosyncratic reaction
D) Drug incompatibility
Antagonistic Interaction
This refers to a situation or effect in which substances, organisms, or actions work against each other, often resulting in negative outcomes or inhibition.
Warfarin
An anticoagulant medication used to prevent blood clots by inhibiting vitamin K-dependent clotting factors in the blood.
Herbal Medications
Preparations derived from natural herbs used to treat or prevent diseases.
- Recognize the potential for drug-herbal interactions and their impact on medication effectiveness.
Verified Answer
CC
Carmel CamposJul 11, 2024
Final Answer :
A
Explanation :
Antagonistic drug interaction occurs when one drug reduces or counteracts the effect of another, which could explain the sudden ineffectiveness of warfarin if the patient started taking an herbal medication that decreases warfarin's anticoagulant effect.
Learning Objectives
- Recognize the potential for drug-herbal interactions and their impact on medication effectiveness.