[Benzodiazepines. Factors altering pharmacokinetic parameters and drug interactions]. 1983

E Singlas

Drug level at receptor site dictates the intensity of the pharmacological response. The level which is achieved depends upon several factors such as gastrointestinal absorption, protein binding, distribution, biotransformations and excretion. Modification of anyone of these processes can influence drug level at the site of action and thus the therapeutic effect of the drug. Physiological and pathological states or drug interactions can influence pharmacokinetics of benzodiazepines and thus modification of dosage regimen may be necessary. The influence of aging, liver disease, drug interactions such as alcohol, antidepressants... is of importance. Consequences of these modifications are discussed.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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