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Use of high-potency antipsychotics, a rapid increase in the dosage of antipsychotics, use of long-acting forms of antipsychotics (such as haloperidol) or injectable formulations, or using multiple antipsychotics are all known to increase the risk of developing NMS. [20] [21] [7] Dehydration is a risk factor for the development of NMS. [7]
Haloperidol, sold under the brand name Haldol among others, is a typical antipsychotic medication. [9] Haloperidol is used in the treatment of schizophrenia , tics in Tourette syndrome , mania in bipolar disorder , delirium , agitation, acute psychosis , and hallucinations from alcohol withdrawal .
Atypical antipsychotics are considered lower-risk for causing TD than their typical counterparts, with incidence rates of 13.1% and 32.4% respectively in short-term trials primarily utilising Haloperidol as the typical antipsychotic. [25] Quetiapine and clozapine are considered the lowest risk agents for precipitating TD. [25]
The first LAI antipsychotics (often referred to as simply "LAIs") were the typical antipsychotics fluphenazine and haloperidol. [18] Both fluphenazile and haloperidol are formulated as decanoates, referring to the attachment of a decanoic acid group to the antipsychotic molecule. [18] These are then dissolved in an organic oil. [18]
The atypical antipsychotics (AAP), also known as second generation antipsychotics (SGAs) and serotonin–dopamine antagonists (SDAs), [1] [2] are a group of antipsychotic drugs (antipsychotic drugs in general are also known as tranquilizers and neuroleptics, although the latter is usually reserved for the typical antipsychotics) largely introduced after the 1970s and used to treat psychiatric ...
Haloperidol decanoate is provided in the form of 50 or 100 mg/mL oil solution of sesame oil and benzyl alcohol in ampoules or pre-filled syringes. [ 6 ] [ 7 ] [ 9 ] Its elimination half-life after multiple doses is 21 days.
In a 2013 meta-analysis of the efficacy and tolerability of 15 antipsychotic drugs it was found to produce the second least (after haloperidol) weight gain, the least QT interval prolongation, the fourth most extrapyramidal side effects (after haloperidol, zotepine and chlorpromazine) and the sixth least sedation (after paliperidone, sertindole ...
Others such as haloperidol and trifluoperazine soon followed. It remains unclear whether the newer antipsychotics reduce the chances of developing neuroleptic malignant syndrome , a rare but serious and potentially fatal neurological disorder most often caused by an adverse reaction to antipsychotics (neuroleptics).