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Benzodiazepine use disorder (BUD), also called misuse or abuse, [1] is the use of benzodiazepines without a prescription and/or for recreational purposes, which poses risks of dependence, withdrawal and other long-term effects. [2] [3] Benzodiazepines are one of the more common prescription drugs used recreationally.
In clinical practice, benzodiazepine dependence should be suspected in those having used benzodiazepines for longer than a month, in particular, if they are from a high-risk group. The main factors associated with an increased incidence of benzodiazepine dependence include: [51] Dose; Duration; Concomitant use of antidepressants
Benzodiazepine withdrawal syndrome (BZD withdrawal) is the cluster of signs and symptoms that may emerge when a person who has been taking benzodiazepines as prescribed develops a physical dependence on them and then reduces the dose or stops taking them without a safe taper schedule.
Long-term use of benzodiazepines can induce perceptual disturbances and depersonalization in some people, even in those taking a stable daily dosage, and it can also become a protracted withdrawal feature of the benzodiazepine withdrawal syndrome. [54] In addition, chronic use of benzodiazepines is a risk factor for blepharospasm. [55]
Tolerance and dependence are risks of chronic benzodiazepine use, and can result in doses within the therapeutic range ceasing to offer meaningful symptomatic relief after prolonged use. Tolerance develops at different rates and to different degrees to the sedative, hypnotic, anticonvulsant, muscle relaxant and anxiolytic effects of benzodiazpines.
There is some evidence that a prior history of CNS depressant dependence (e.g. alcohol) increases the risk of dependence on benzodiazepines. Tolerance to drugs is commonly believed to be due to receptor down-regulation ; however, there is very limited evidence to support this, and this hypothesis comes from animal studies using very high doses.
addiction – a biopsychosocial disorder characterized by persistent use of drugs (including alcohol) despite substantial harm and adverse consequences addictive drug – psychoactive substances that with repeated use are associated with significantly higher rates of substance use disorders, due in large part to the drug's effect on brain ...
First of all, the whole notion of "physical dependence" on a drug is a mess and full of contradictory notions, and alludes any single definition. Although many drugs do not generate a classic withdrawal syndrome along the lines of alcohol, barbiturates, and benzodiazepines (characterized by autonomic hyperactivity, and delirium), many drugs ...