Warfarin Antidote

PharmacologyDrug AntidotesMedium

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Which of the following is an antidote for warfarin overdose?

O Aspirin

O Vitamin K

O Activated charcoal

O Protamine sulfate

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Step by Step Written Solution

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Step 1

In this problem, we are looking for the correct antidote used to treat an overdose of the medication warfarin.

Antidote for Warfarin Overdose

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Step 2

Warfarin is a common anticoagulant, often referred to as a blood thinner. To find the antidote, let's review how it works in the body.


Understanding Warfarin

- Type: Oral anticoagulant

- Mechanism: Inhibits the synthesis of Vitamin K-dependent clotting factors.

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Step 3

Because warfarin works by blocking the action of Vitamin K, the logical way to reverse its effects is to provide the body with more of that specific vitamin.

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Step 4

Now, let's evaluate our options one by one.

Evaluating the Options

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Step 5

Option one is Aspirin. Aspirin is an antiplatelet agent. Giving aspirin would actually increase the risk of bleeding in a warfarin patient, so it is definitely not an antidote.

1. Aspirin: Antiplatelet agent (Increases bleeding risk) #red

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About This Question

Subject
Pharmacology
Topic
Drug Antidotes
Difficulty
Medium
Question Type
Multiple Choice

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