benzodiazepine
Học thuậtThân thiện
Definition
Noun: A benzodiazepine is any of a class of psychoactive drugs. Their primary medical uses are as tranquilizers (to reduce anxiety), sedatives (to induce calmness or sleep), hypnotics (to aid sleep), and muscle relaxants. They work by enhancing the effect of a neurotransmitter in the brain. Long-term or chronic use can lead to physical and psychological dependency.
Usage
The word is used primarily in medical, pharmacological, and clinical contexts to refer to this specific category of medication. - It functions as a countable noun (e.g., a benzodiazepine, several benzodiazepines). - It is often discussed in terms of its therapeutic effects, risks, and chemical properties.
Examples
- The doctor prescribed a benzodiazepine to help manage her acute anxiety.
- Common benzodiazepines include diazepam and alprazolam.
- Long-term use of any benzodiazepine carries a risk of dependency.
- He was advised to avoid alcohol while taking the benzodiazepine.
Advanced Usage
- "Benzodiazepine receptor": Refers to the specific site in the brain where these drugs bind to exert their effect.
- "Benzodiazepine withdrawal": Describes the syndrome of symptoms that can occur when someone stops taking the drug after prolonged use.
Variants and Related Words
- Benzodiazepine-like (adj): Having properties or effects similar to a benzodiazepine.
- Non-benzodiazepine (n): A class of drugs (sometimes called "Z-drugs") that act on the same receptors but have a different chemical structure, often used as sleep aids.
Synonyms
- Anxiolytic (n): A drug that reduces anxiety (many, but not all, anxiolytics are benzodiazepines).
- Sedative-hypnotic (n): A drug that depresses the central nervous system to induce calm or sleep (benzodiazepines are a major subclass).
- Minor tranquilizer (n): An older, less precise term for anti-anxiety medications like benzodiazepines.
Related Phrases
- Benzodiazepine dependence: The state of relying on the drug, often characterized by tolerance and withdrawal symptoms.
- Benzodiazepine overdose: The dangerous condition resulting from taking too much of the drug, which can cause severe sedation, respiratory depression, or coma.
Noun
- any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency