Current practices in managing acutely disturbed patients at three hospitals in Rio de Janeiro-Brazil: a prevalence study Rapid tranquillisation of violent or agitated patients in a psychiatric emergency setting. Pragmatic randomised trial of intramuscular lorazepam v. haloperidol plus promethazine. Rapid tranquillisation in psychiatric emergency settings in Brazil: pragmatic randomised controlled trial of intramuscular haloperidol versus intramuscular haloperidol plus promethazine Rapid tranquilization for agitated patients in emergency psychiatric rooms: a randomized trial of olanzapine, ziprasidone, haloperidol plus promethazine, haloperidol plus midazolam and haloperidol alone. Rapid tranquillisation for agitated patients in emergency psychiatric rooms: a randomised trial of midazolam versus haloperidol plus promethazine Rapid tranquillisation in psychiatric emergency settings in India: pragmatic randomised controlled trial of intramuscular olanzapine versus intramuscular haloperidol plus promethazine Use of antipsychotics and benzodiazepines in patients with psychiatric emergencies: Results of an observational trial TREC-Rio trial: a randomised controlled trial for rapid tranquillisation for agitated patients in emergency psychiatric rooms [ISRCTN44153243] Are Low Doses of Antipsychotics Effective in the Management of Psychomotor Agitation? A Randomized, Rated-Blind Trial of 4 Intramuscular Interventions Comparative study of the effectiveness of zuclopenthixol acetate and haloperidol in acutely disturbed psychotic patients. Efficacy of combinations of intramuscular antipsychotics and sedative-hypnotics for control of psychotic agitation. Haloperidol, lorazepam, or both for psychotic agitation? A multicenter, prospective, double-blind, emergency department study. Atypical antipsychotic agents in the treatment of violent patients with schizophrenia and schizoaffective disorder. Intramuscular flunitrazepam versus intramuscular haloperidol in the emergency treatment of aggressive psychotic behavior. Comparison of Risperidone Orodispersible Tablet and Intramuscular Haloperidol in the Treatment of Acute Psychotic Agitation: A Randomized Open, Prospective Study Rapid Tranquilization of Severely Agitated Patients With Schizophrenia Spectrum Disorders: A Naturalistic, Rater-Blinded, Randomized, Controlled Study With Oral Haloperidol, Risperidone, and Olanzapine Overt Aggression and Psychotic Symptoms in Patients With Schizophrenia Treated With Clozapine, Olanzapine, Risperidone, or Haloperidol
Background The medical management of aggressive and violent behaviour is a critical situation for which there is little evidence . In order to prepare for a r and omised trial , due to start in the psychiatric emergency rooms of Rio de Janeiro in 2001 , a survey of current practice was necessary . Methods A seven day survey of pharmacological management of aggressive people with psychosis in the emergency rooms of all four public psychiatric hospitals in Rio de Janeiro , Brazil . Results In one hospital data were not available . Of the 764 people with psychosis attending these ERs , 74 were given IM medication for rapid tranquillisation ( 9.7 % , 2.1/week/100,000 ) . A haloperidol-promethazine mix ( with or without other drugs ) was used for the majority of patients ( 83 % ) . Conclusion The haloperidol-promethazine mix , given intramuscularly for rapid tranquilization , is prevalent in Rio , where it is considered both safe and efficient . However , scientific evaluation of all pharmacological approaches to rapid tranquilization of psychotic people is inadequate or incomplete and a r and omized trial of IM haloperidol-promethazine is overdue BACKGROUND The pharmacological management of violence in people with psychiatric disorders is under- research ed . AIMS To compare interventions commonly used for controlling agitation or violence in people with serious psychiatric disorders . METHOD We r and omised 200 people to receive intramuscular lorazepam ( 4 mg ) or intramuscular haloperidol  ( 10 mg ) plus promethazine ( 25 - 50 mg mix ) . RESULTS At blinded assessment s 4 h later ( 99.5 % follow-up ) , equal numbers in both groups ( 96 % ) were tranquil or asleep . However , 76 % given the haloperidol-promethazine mix were asleep compared with 45 % of those allocated lorazepam ( RR=2.29,95 % CI 1.59 - 3.39 ; NNT=3.2,95 % CI 2.3 - 5.4 ) . The haloperidol-promethazine mix produced a faster onset of tranquillisation/sedation and more clinical improvement over the first 2 h. Neither intervention differed significantly in the need for additional intervention or physical restraints , numbers absconding , or adverse effects . CONCLUSIONS Both interventions are effective for controlling violent/agitated behaviour . If speed of sedation is required , the haloperidol-promethazine combination has advantages over lorazepam Objective To determine whether haloperidol alone results in swifter and safer tranquillisation and sedation than haloperidol plus promethazine . Design Pragmatic r and omised open trial ( January-July 2004 ) . Setting Psychiatric emergency room , Rio de Janeiro , Brazil . Participants 316 patients who needed urgent intramuscular sedation because of agitation , dangerous behaviour , or both . Interventions Open treatment with intramuscular haloperidol 5 - 10 mg or intramuscular haloperidol 5 - 10 mg plus intramuscular promethazine up to 50 mg ; doses were at the discretion of the prescribing clinician . Main outcome measures The primary outcome was proportion tranquil or asleep by 20 minutes . Secondary outcomes were asleep by 20 minutes ; tranquil or asleep by 40 , 60 , and 120 minutes ; physically restrained or given additional drugs within 2 hours ; severe adverse events ; another episode of agitation or aggression ; additional visit from the doctor during the subsequent 24 hours ; overall antipsychotic load in the first 24 hours ; and still in hospital after 2 weeks . Results Primary outcome data were available for 311 ( 98.4 % ) people , 77 % of whom were thought to have a psychotic illness . Patients allocated haloperidol plus promethazine were more likely to be tranquil or asleep by 20 minutes than those who received intramuscular haloperidol alone ( relative risk 1.30 , 95 % confidence interval 1.10 to 1.55 ; number needed to treat 6 , 95 % confidence interval 4 to 16 ; P=0.002 ) . No differences were found after 20 minutes . However , 10 cases of acute dystonia occurred , all in the haloperidol alone group . Conclusions Haloperidol plus promethazine is a better option than haloperidol alone in terms of speed of onset of action and safety . Enough data are now available to change guidelines that continue to recommend treatments that leave people exposed to longer periods of aggression than necessary and patients vulnerable to distressing and unsafe adverse effects . Trial registration Current Controlled Trials IS RCT N83261243 OBJECTIVE To compare the effectiveness of intramuscular olanzapine , ziprasidone , haloperidol plus promethazine , haloperidol plus midazolam and haloperidol alone as the first medication(s ) used to treat patients with agitation and aggressive behavior . METHOD One hundred fifty patients with agitation caused by psychotic or bipolar disorder were r and omly assigned under double-blind conditions to receive olanzapine , ziprasidone , haloperidol plus midazolam , haloperidol plus promethazine or haloperidol alone . The Overt Agitation Severity Scale , Overt Aggression Scale and Ramsay Sedation Scale were applied within 12 hours after the first dosage . RESULTS All medications produced a calming effect within one hour of administration , but only olanzapine and haloperidol reduced agitation by less than 10 points , and only olanzapine reduced aggression by less than four points in the first hour . After twelve hours , only patients treated with haloperidol plus midazolam had high levels of agitation and aggression and also more side effects . Ziprasidone , olanzapine and haloperidol alone had more stable results for agitation control , while ziprasidone , haloperidol plus promethazine and olanzapine had stable results for aggression control . CONCLUSION Olanzapine , ziprasidone , haloperidol plus promethazine , haloperidol plus midazolam and haloperidol were effective in controlling agitation and aggression caused by mental illness over 12 hours . Although all the drugs had advantages and disadvantages , haloperidol plus midazolam was associated with the worst results in all the observed parameters Abstract Objective To compare two widely used drug treatments for people with aggression or agitation due to mental illness . Design Pragmatic , r and omised clinical trial . Setting Three psychiatric emergency rooms in Rio de Janeiro , Brazil . Subjects 301 aggressive or agitated people . Interventions Open treatment with intramuscular midazolam or intramuscular haloperidol plus promethazine . Main outcome measures Patients tranquil or se date d at 20 minutes . Secondary outcomes : patients tranquil or asleep by 40 , 60 , and 120 minutes ; restrained or given extra drugs within 2 hours ; severe adverse events ; another episode of agitation or aggression ; needing extra visits from doctor during first 24 hours ; overall antipsychotic load in first 24 hours ; and not discharged by two weeks . Results 151 patients were r and omised to midazolam , and 150 to haloperidol-promethazine mix . Follow up for the primary outcome was available for 298 ( 99 % ) : 134/151 ( 89 % ) of patients given midazolam were tranquil or asleep after 20 minutes compared with 101/150 ( 67 % ) of those given haloperidol plus promethazine ( relative risk 1.32 ( 95 % confidence interval 1.16 to 1.49 ) ) . By 40 minutes , midazolam still had a statistically and clinical ly significant 13 % relative advantage ( 1.13 ( 1.01 to 1.26 ) ) . After 1 hour , about 90 % of both groups were tranquil or asleep . One important adverse event occurred in each group : a patient given midazolam had transient respiratory depression , and one given haloperidol-promethazine had a gr and e mal seizure . Conclusions Both treatments were effective . Midazolam was more rapidly sedating than haloperidol-promethazine , reducing the time people are exposed to aggression . Adverse effects and re sources to deal with them should be considered in the choice of the treatment Objective To compare the effect of intramuscular olanzapine with intramuscular haloperidol plus promethazine on rapid tranquillisation of agitated or violent people with mental illness .  Design Pragmatic , allocation concealed , r and omised controlled trial . Setting Emergency services of a general hospital psychiatry department in Vellore , south India . Participants 300 adults with agitated or violent behaviour as a result of mental illness ; 150 r and omised to intramuscular olanzapine and 150 r and omised to intramuscular haloperidol plus promethazine .  Interventions Open treatment with intramuscular olanzapine or intramuscular haloperidol plus promethazine . Main outcome measures Primary outcome was proportion of patients who were tranquil or asleep at 15 minutes and 240 minutes . Secondary outcomes were proportion of patients who were tranquil , asleep , restrained , absconding , or clinical ly improved at 15 , 30 , 60 , 120 , and 240 minutes ; additional medical interventions and adverse effects over four hours ; and compliance with oral drugs and adverse effects over two weeks . Results Of 300 people r and omised to receive either intramuscular olanzapine or intramuscular haloperidol plus promethazine , follow-up data were available for primary outcomes for 298 ( 99 % ) . Both treatments result ed in similar proportions of people being tranquil or asleep at 15 minutes ( olanzapine 131/150 ( 87 % ) , haloperidol plus promethazine 136/150 ( 91 % ) ; relative risk 0.96 , 95 % confidence interval 0.34 to 1.47 ) and 240 minutes ( olanzapine 144/150 ( 96 % ) , haloperidol plus promethazine 145/150 ( 97 % ) ; relative risk 0.99 , 0.95 to 1.03 ) . However , more people given olanzapine than those given haloperidol plus promethazine required additional drugs over four hours ( 65/150 ( 43 % ) v 31/150 ( 21 % ) ; relative risk 2.07 , 1.43 to 2.97 ) . Adverse effects were uncommon with both treatments . Conclusions Intramuscular olanzapine and intramuscular haloperidol plus promethazine were effective at rapidly tranquillising or sedating agitated or violent  patients with mental illness but the combination result ed in fewer additional medical interventions within four hours of intervention . Trial registration Clinical trials NCT00455234 Background Conventional antipsychotics augmented with benzodiazepines have been the st and ard acute treatment for psychiatric emergencies for more than 50 years . The inability of patients to give informed consent limits r and omised , controlled studies . This observational study on immediate therapy for aggression and impulse control in acutely agitated patients ( IMPULSE ) evaluated the short-term effectiveness and tolerability of atypical and typical antipsychotic medications ( AP ) in a non-interventional setting . Methods This was a comparative , non-r and omised , prospect i ve , open-label , observational study . Treatment over the first 5 days was classified according to whether any olanzapine , risperidone , or haloperidol was included or not . Documentations ( PANSS-excited component , CGI-aggression , CGI-suicidality , tranquilisation score ) were at baseline ( day 1 ) and days 2–6 after start of AP . Results During the short treatment-period , PANSS-EC and CGI-aggression scores improved in all cohorts . 68.7 % of patients treated with olanzapine , 72.2 % of patients treated with risperidone , and 83.3 % of patients treated with haloperidol received concomitant benzodiazepines ( haloperidol vs. non-haloperidol : p < 0.001 ) . More patients treated with olanzapine ( 73.8 % ) were fully alert according to a tranquilisation score and active at day 2 than patients treated with risperidone ( 57.1 % ) or haloperidol ( 58.0 % ) . Conclusion Current medication practice s for immediate aggression control are effective with positive results present within a few days . In this study , concomitant benzodiazepine use was significantly more frequent in patients receiving haloperidol Background Agitated or violent patients constitute 10 % of all emergency psychiatric treatment . Management guidelines , the preferred treatment of clinicians and clinical practice all differ . Systematic review s show that all relevant studies are small and none are likely to have adequate power to show true differences between treatments . Worldwide , current treatment is not based on evidence from r and omised trials . In Brazil , the combination haloperidol-promethazine is frequently used , but no studies involving this mix exist . Methods TREC-Rio ( Tranquilização Rápida-Ensaio Clínico [ Translation : Rapid Tranquillisation- Clinical Trial ] ) will compare midazolam with haloperidol-promethazine mix for treatment of agitated patients in emergency psychiatric rooms of Rio de Janeiro , Brazil . TREC-Rio is a r and omised , controlled , pragmatic and open study . Primary measure of outcome is tranquillisation at 20 minutes but effects on other measures of morbidity will also be assessed . TREC-Rio will involve the collaboration of as many health care professionals based in four psychiatric emergency rooms of Rio as possible . Because the design of this trial does not substantially complicate clinical management , and in several aspects simplifies it , the study can be large , and treatments used in everyday practice can be evaluated Background Psychomotor agitation can be associated with a wide range of medical conditions . Although clinical practice advocates the use of several drugs for the management of psychomotor agitation , there are still very few controlled studies comparing the profiles of action and the adverse effects of different drugs that induce tranquilization . Objectives The purpose of this study was to compare the efficacy and safety of 4 low-dose pharmacological interventions used to control psychomotor agitation guided by the clinical response . Methods Using a r and omized , rated-blind design , 100 agitated patients were assigned to receive 1 of 4 treatments : haloperidol ( 2.5 mg ) + promethazine ( 25 mg ) ( HLP + PMZ ) , haloperidol ( 2.5 mg ) + midazolam ( 7.5 mg ) ( HLP + MID ) , ziprasidone ( 10 mg ) ( ZIP ) , or olanzapine ( 10 mg ) ( OLP ) . Patients were evaluated just before the intervention and after 30 , 60 , and 90 minutes , using the Agitation-Calmness Evaluating Scale . Adverse effects were assessed within 24 hours after the intervention , using selected items from the UKU Scale ( Ugvalg Klinisk Undersgelser Side Effect Scale ) . According to the clinical indication , medication could be repeated twice after the first injection . Data were analyzed using general linear model with repeated measures and logistic regression . Results All treatment options promoted a reduction in agitation , without causing excessive sedation , although a lower reduction in agitation was observed with HLP + PMZ and ZIP compared with HLP + MID and OLZ . The need for an additional dose of medication was observed in 22 patients , and only 8 remained agitated during the entire 90-minute period . A higher risk for the development of extrapyramidal symptoms within the following 24 hours was observed with HLP + PMZ . Discussion Low doses of haloperidol combined with midazolam can be as effective as olanzapine in reducing psychomotor agitation without increasing the risk of extrapyramidal effects . Because of the higher risk for the occurrence of extrapyramidal symptoms , the combination of haloperidol with promethazine should be considered a second-line treatment option OBJECTIVES To study the effectiveness , frequency of administration and side effects of zuclopenthixol acetate ( ZPTA ) and haloperidol ( HAL ) in the treatment of acute psychotic disturbance with aggression . METHOD Purposive sampling method was employed in a group of psychotic patients with aggression admitted to Songkla Neuropsychiatric Hospital , they were r and omly divided into 2 groups :  ZPTA  group and HAL group . All of the patients were evaluated daily for 7 consecutive days using the Brief Psychiatric Rating Scale ( BPRS ) and the Clinical Global Impression Scale ( CGI ) . Statistical analysis was performed by using the Student t-test and Linear regression . RESULTS There were 70 patients with diagnosis of schizophrenia , mania and acute psychosis . Thirty-eight patients were r and omly assigned to the ZPTA group and were given 50 - 100 mg of the drug , while 32 patients received HAL 5 - 10 mg . The result showed a significant reduction in BPRS or CGI scores in both groups . Patients treated with ZPTA required less frequent administration than did those on HAL ( p < 0.05 ) . There was no statistically significant difference in the reduction in scores between the two groups . Nor was there a statistical difference in reduction of aggression based on BPRS rating . Each group of patients showed a few side effects of mild degree . CONCLUSION Both ZPTA and HAL were effective in the treatment of acute psychosis with aggression , but frequency of administration was lower in the ZPTA The combination of haloperidol , 5 mg , and lorazepam , 4 mg , was both effective and safe for managing agitated behavior in an open trial with acutely psychotic patients . The combination also appeared to be superior to its individual components when studied in a r and omized , nonblind trial . The principle of the combined use of antipsychotics and sedative-hypnotics was further tested by comparing two new combinations : thiothixene , 5 mg , and lorazepam , 4 mg , versus haloperidol , 5 mg , and phenobarbital sodium , 130 mg . These combinations had comparable efficacy and safety , and the level of transquilization approached that produced by the haloperidol-lorazepam combination in the preceding studies Rapid tranquilization is a routinely practice d method of calming agitated psychotic patients by use of neuroleptics , benzodiazepines , or both in combination . Although several studies have examined the efficacy of the three approaches , none have compared these treatments in a prospect i ve , r and omized , double-blind , multicenter trial . Ninety-eight psychotic , agitated , and aggressive patients ( 73 men and 25 women ) were prospect ively enrolled during an 18-month period in emergency departments in five university or general hospitals . Patients were r and omly assigned to receive intramuscular injections of lorazepam ( 2 mg ) , haloperidol ( 5 mg ) , or both in combination . Patients in each treatment group received 1 to 6 injections of the same study drug within 12 hours , based on clinical need . They were evaluated hourly after the first injection until at least 12 hours after the last . Efficacy was assessed on the Agitated Behavior Scale ( ABS ) , a modified Brief Psychiatric Rating Scale ( MBPRS ) , Clinical Global impressions ( CGI ) scale , and an Alertness Scale . Effective symptom reduction was achieved in each treatment group with significant ( P < .01 ) mean decreases from baseline at every hourly ABS evaluation . Significant ( P < .05 ) mean differences on the ABS ( hour 1 ) and MBPRS ( hours 2 and 3 ) suggest that tranquilization was most rapid in patients receiving the combination treatment . Study event incidence ( side effects ) did not differ significantly between treatment groups , although patients receiving haloperidol alone tended to have more extrapyramidal system symptoms . The superior results produced by the combination treatment support the use of lorazepam plus haloperidol as the treatment of choice for acute psychotic agitation CONTEXT Violent behavior of patients with schizophrenia prolongs hospital stay and interferes with their integration into the community . Finding appropriate treatment of violent behaviors is of primary importance . OBJECTIVE To compare the efficacy of 2 atypical antipsychotic agents , clozapine and olanzapine , with one another and with haloperidol in the treatment of physical assaults and other aggressive behaviors in physically assaultive patients with schizophrenia and schizoaffective disorder . DESIGN AND SETTING R and omized , double-blind , parallel-group , 12-week trial . Physically assaultive subjects with schizophrenia or schizoaffective disorder who were in patients in state psychiatric facilities were r and omly assigned to treatment with clozapine ( n = 37 ) , olanzapine ( n = 37 ) , or haloperidol ( n = 36 ) . MAIN OUTCOME MEASURES Number and severity of physical assaults as measured by the Modified Overt Aggression Scale ( MOAS ) physical aggression score and the number and severity of all aggressive events as measured by the MOAS overall score . Psychiatric symptoms were assessed through the Positive and Negative Syndrome Scale ( PANSS ) . RESULTS Clozapine was superior to both olanzapine and haloperidol in reducing the number and severity of physical assaults as assessed by the MOAS physical aggression score and in reducing overall aggression as measured by the MOAS total score . Olanzapine was superior to haloperidol in reducing the number and severity of aggressive incidents on these 2 MOAS measures . There were no significant differences among the 3 medication groups in improvement of psychiatric symptoms as measured by the PANSS total score and the 3 PANSS subscales . CONCLUSIONS Clozapine shows greater efficacy than olanzapine and olanzapine greater efficacy than haloperidol in reducing aggressive behavior . This antiaggressive effect appears to be separate from the antipsychotic and sedative action of these medications OBJECTIVE The authors examined the efficacy of intramuscular flunitrazepam compared with intramuscular haloperidol for the immediate control of agitated or aggressive behavior in acutely psychotic patients . METHOD Twenty-eight actively psychotic in patients , aged 20 - 60 years , who were under treatment with neuroleptic agents were selected for the study . Each was r and omly assigned on a double-blind basis to receive either 5 mg i.m . of haloperidol ( N=13 ) or 1 mg i.m . of flunitrazepam ( N=15 ) during an aggressive event . Verbal and physical aggression was measured over time with the Overt Aggression Scale . Patients were also rated with the Brief Psychiatric Rating Scale and the Clinical Global Impression scale . RESULTS Both flunitrazepam and haloperidol exhibited acute antiaggressive activity . This beneficial effect , as assessed by the Overt Aggression Scale , was obtained within 30 minutes . CONCLUSIONS Intramuscular flunitrazepam may serve as a convenient , rapid , safe , and effective adjunct to neuroleptics in reducing aggressive behavior in emergency psychiatric setting Objectives : Psychotic agitation of psychiatric patients is a common manifestation that needs emergent management . Traditionally , parenteral or intramuscular injection of antipsychotics was conducted for treatment of psychotic agitation . Considering that the rapidly absorbed form of risperidone ( risperidone orodispersible tablet ) could be used for the agitated patient , comparison of oral risperidone and intramuscular haloperidol was performed in emergency treatment of psychotic agitation in this study . Methods : 124 patients with psychotic agitation were recruited at the emergency room or inpatient ward . They were r and omly assigned to either the group of oral risperidone or intramuscular haloperidol .  Efficacy of both treatments was measured and compared using the 5-item acute agitation cluster from the Positive and Negative Syndrome Scale-Excited Component ( PANSS-EC ) and the Clinical Global Impression-Severity of Illness Scale ( CGI-S ) . Tolerability and safety were also compared between the two groups . Results : The PANSS-EC and CGI-S scores were significantly decreased over time in both treatment groups without any significant group difference and time by group interaction effect ( F = 459.7 , p < 0.0001 ) . There were no serious adverse events in both groups . Conclusion : For the emergency treatment of psychotic agitation , risperidone orodispersible tablet was as effective and tolerable as intramuscular administration of haloperidol . Therefore , we might choose oral medication instead of intramuscular injection for treatment of patients with acute psychotic agitation Introduction Agitation is a major problem in acute schizophrenia . Only a few studies have tested antipsychotic agents in severely agitated patients , mainly because of legal issues . Furthermore , most studies were limited to the first 24 hours . We aim ed to investigate the efficacy of oral haloperidol , risperidone , and olanzapine in reducing psychotic agitation in severely agitated patients with schizophrenia or schizophreniform or schizoaffective disorder over 96 hours using a prospect i ve , r and omized , rater-blinded , controlled design within a naturalistic treatment regimen . Methods In total , 43 severely agitated patients at acute care psychiatric units were enrolled . Participants were r and omly assigned to receive either daily haloperidol 15 mg , olanzapine 20 mg , or risperidone 2 to 6 mg over 5 days . Positive and Negative Syndrome Scale psychotic agitation subscale score was the primary outcome variable . A mixed-model analysis was applied . Results All drugs were effective for rapid tranquilization within 2 hours . Over 5 days , the course differed between agents ( P < 0.001 ) , but none was superior . Dropouts occurred only in the risperidone and olanzapine groups . Men responded better to treatment than did women during the initial 2 hours ( P = 0.046 ) as well as over the 5-day course ( P < 0.001 ) . No difference between drug groups was observed regarding diazepam or biperiden use . Conclusions Oral haloperidol , risperidone , and olanzapine seem to be suitable for treating acute severe psychotic agitation in schizophrenia spectrum disorders . Response to oral antipsychotics demonstrated a gender effect with poorer outcome in women throughout the study Abstract : The subjects were 157 treatment-resistant in patients diagnosed with chronic schizophrenia or schizoaffective disorder . They were r and omly assigned to treatment with clozapine , olanzapine , risperidone , or haloperidol in a 14-week , double-blind trial . Incidents of overt aggression were recorded and their severity was scored . The Positive and Negative Syndrome Scale was administered . Atypical antipsychotics showed an overall superiority over haloperidol , particularly after the first 24 days of the study when the dose escalation of clozapine was completed . Once an adequate therapeutic dose of clozapine was reached , it was superior to haloperidol in reducing the number and severity of aggressive incidents . Patients exhibiting persistent aggressive behavior showed less improvement of psychotic symptoms than the other patients . There was an interaction between aggressiveness , medication type , and antipsychotic response : risperidone and olanzapine showed better antipsychotic efficacy in patients exhibiting less aggressive behavior ; the opposite was true for clozapine . Clozapine appears to have superior antiaggresive effects in treatment-resistant patients ; this superiority develops after the patient has been exposed to an adequate dose regimen
This review suggests that both benzodiazepines work , but that midazolam has a faster onset and thereby reduces the risk of exposure to violence .
Most evidence , however , exists for the haloperidol plus promethazine mix , with currently more than 400 people r and omised to the combination .
The onset of action is swift and faster than lorazepam .
The combination also seems safe with no clear longer term consequences .
BACKGROUND Health services often manage agitated or violent people and for emergency psychiatric services such behaviour is particularly prevalent ( 10 % ) .
The drugs used in this situation should ensure that the person swiftly and safely becomes calm .
OBJECTIVES To examine whether haloperidol plus promethazine is an effective treatment for psychosis induced agitation/aggression .