Pharmacology · single question
Amoxicillin is known to interact with all of the following drug categories EXCEPT:
Show answer and explanation
Correct answer: A. Analgesics (e.g., acetaminophen, ibuprofen)
Amoxicillin does not have a clinically significant interaction with routine analgesics such as acetaminophen or ibuprofen. However, amoxicillin does interact with anticoagulants (it can enhance the effect of warfarin by altering gut flora and vitamin K production, increasing bleeding risk), oral contraceptives (it may reduce their efficacy by disrupting enterohepatic circulation of estrogens), and certain anti-diabetic agents. Therefore, analgesics are the EXCEPTION.