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Related Concept Videos

Pharmacokinetics: Drug–Drug Interactions01:25

Pharmacokinetics: Drug–Drug Interactions

Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
Drug toxicity: Drug–Drug Interaction01:30

Drug toxicity: Drug–Drug Interaction

Drug–drug interactions can precipitate toxicity through multiple mechanisms. Absorption interactions alter how drugs enter the body, exemplified when ranitidine increases the absorption of basic drugs, while cholestyramine decreases the levels of propranolol. Protein binding interactions occur when drugs share the same binding sites on plasma proteins. Drugs like aspirin and warfarin, when bound in excess, can lead to increased free drug concentrations, enhancing the potential for...
Drug Toxicity: Risk factors01:24

Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Pharmacokinetics: Drug–Food and Drug–Viral Interactions01:26

Pharmacokinetics: Drug–Food and Drug–Viral Interactions

A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of many...
Combined Effects of Drugs: Antagonism01:30

Combined Effects of Drugs: Antagonism

The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
Drug Toxicity: Overview01:00

Drug Toxicity: Overview

Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...

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Diagonal Method to Measure Synergy Among Any Number of Drugs
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Diagonal Method to Measure Synergy Among Any Number of Drugs

Published on: June 21, 2018

Adverse drug interactions.

Daniel E Becker1

  • 1General Dental Practice Residency, Miami Valley Hospital, Dayton, Ohio, USA. debecker@mvh.org

Anesthesia Progress
|March 18, 2011
PubMed
Summary
This summary is machine-generated.

Drug interactions are crucial for dental professionals to consider. This review covers essential principles and highlights key drug interactions relevant to dental practice to ensure patient safety.

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Area of Science:

  • Pharmacology
  • Dental Therapeutics

Background:

  • Assessing potential drug interactions is vital when prescribing medications.
  • The complexity of polypharmacy in patients presents a significant challenge.
  • Dental drug therapy typically involves a limited number of drug classes and short treatment durations.

Purpose of the Study:

  • To review fundamental principles of drug-drug interactions.
  • To identify and emphasize drug interactions of primary importance in dental settings.

Main Methods:

  • Literature review of drug interactions relevant to dental practice.
  • Analysis of common drug classes used in dentistry.

Main Results:

  • While dental drug regimens are often limited, significant drug interactions still exist.
  • Key interactions requiring attention in dental practice are identified.

Conclusions:

  • Dental practitioners must remain aware of potential drug interactions.
  • Understanding these interactions is essential for safe and effective patient care in dentistry.