Dependence and Withdrawal
See also: benzodiazepine withdrawal syndromeBenzodiazepine drugs such as nitrazepam can cause dependence and addiction and is what is known as the benzodiazepine withdrawal syndrome. Withdrawal from nitrazepam or other benzodiazepines often leads to withdrawal symptoms which are similar to those seen with alcohol and barbiturates, including delirium tremens. The higher the dose and the longer the drug is taken the greater the risk of experiencing unpleasant withdrawal symptoms. Withdrawal symptoms can however occur at standard dosages and also after short term treatment. Benzodiazepine treatment should be discontinued as soon as possible via a slow and gradual dose reduction regime. Common withdrawal symptoms include, anxiety, insomnia, concentration problems and fatigue.
Frequent use of nitrazepam may cause dependence and when the drug is reduced or stopped, withdrawal symptoms occur. Withdrawal symptoms including a worsening of insomnia compared to baseline typically occurs after discontinuation of nitrazepam even after short term single nightly dose therapy. Dependence on benzodiazepines such as nitrazepam or temazepam often occurs due to discharging patients from hospital on benzodiazepines who were started on benzodiazepine hypnotics in hospital. It is recommended that hypnotic use in hospital be limited to five days to avoid the development of drug dependence and withdrawal insomnia.
After discontinuation of nitrazepam a rebound effect may occur about four days after stopping medication. Nitrazepam has more side effects than other hypnotic drugs and tolerance to sedative properties and rebound insomnia after discontinuation occurs after only seven days administration. Tolerance to the anticonvulsant and anxiolytic effects also develops rapidly during daily administration.
Abrupt withdrawal after long term use from therapeutic doses of nitrazepam may result in a severe benzodiazepine withdrawal syndrome. Reports in the medical literature report of two psychotic states developing after abrupt withdrawal from nitrazepam including delirium after abrupt withdrawal of 10 mg of nitrazepam and in another case auditory hallucinations and visual cognitive disorder developed after abrupt withdrawal from 5 mg of nitrazepam and 0.5 mg of triazolam. Gradual and careful reduction of the dosage was recommended to prevent severe withdrawal syndromes from developing. Antipsychotics increase the severity of benzodiazepine withdrawal effects with an increase in the intensity and severity of convulsions. Depersonalisation has also been reported as a benzodiazepine withdrawal effect from nitrazepam.
Read more about this topic: Nitrazepam, Tolerance Dependence and Withdrawal, Tolerance
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