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The Effect of Food on Absorption of Drug in the Gastrointestinal Tract
Korean J Clin Pharm 2006;16(2):147-154
Published online December 30, 2006
© 2006 Korean College of Clinical Pharmacy.

Hwi-yeol Yun, Min-sun Baek, Kwang-il Kwon

College of Pharmacy, Chungnam National University, Daejeon, Korea, Korea Food and Drug Administration, Seoul, Korea
This is an Open Access journal distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Drugs are often taken together with meals and there are numerous opportunity for food-drug interaction to occure. Food-drug interactions and their clinical consequences are very complex indeed. The composition of the meal, and the volume of fluid that is ingested often are decisive factors in food-drug interactions. Various formulations of a specific drug may behave differently. Solutions and suspensions seem to be less susceptible and enteric-coated preparations are more susceptible, to food interactions than are other dosage forms but exceptions to this rule do exist. Furthermore, generic and environmental factors, disease and other drugs cause considerable inter- and intraindividual variation in food-drug interactions. Also, eating habits are dissimilar in different parts of the world, and diets often vary greatlyfrom day to day. The taking of drugs together with meals offers some obvious benefits. It may help to reduce gastrointestinal irritation and compliance is improved. On the other hand, in some cases food interferes seriously with drug absorption. The purpose of this review is to clarify the complexity of food-drug interactions, and to discuss interactionsthat may be of clinical importance.
Keywords : food-drug interaction, drug absorption, Food-effect

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