Drug interactions without anguish: A simplified framework.
As the availability and use of drugs, both prescription and over-the-counter, increase, so increases the potential for interference by one drug  with the action of another. This article reviews the types of interactions possible, spells out some of the most widely encountered interactions, and gives recommendations for their avoidance.
D000042:Absorption; D004334:Drug Administration Schedule; D004347:Drug Interactions; D011307:Drug Prescriptions; D006801:Humans; D007700:Kinetics; D004366:Nonprescription Drugs; D004364:Pharmaceutical Preparations / Q000378:metabolism; D011485:Protein Binding; D014018:Tissue Distribution
D004366:Nonprescription Drugs; D004364:Pharmaceutical Preparations