Which of the following classes of drugs may decrease the efficacy of anticoagulants?

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Multiple choice — select the best answer

AAntidepressants
BAntibiotics
CAntihistamines
DNSAIDs

✓ Correct answer: B. Antibiotics Answer: Antibiotics Antibiotics may decrease the efficacy of anticoagulants. Other drug classes that interact with anticoagulants include antifungals, anticonvulsants, cardiovascular drugs, and certain over-the-counter medications. Antihistamines, NSAIDs, and antidepressants are not known to decrease the efficacy of anticoagulants.

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Which of the following classes of drugs may decrease the efficacy of anticoagulants?

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