Drug Interactions · Pharmacology

Antacids taken with certain antibiotics reduce the amount of antibiotic that reaches the bloodstream from the gut. Which type of pharmacokinetic interaction is this?

  1. Absorption interaction
  2. Metabolic interaction
  3. Excretion interaction
  4. Distribution interaction
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Correct answer: Absorption interaction

Antacids can bind to some antibiotics in the gastrointestinal tract, reducing their absorption. This is a pharmacokinetic interaction affecting drug absorption.

Difficulty: Medium Question 17 of 20

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