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In general, contraindications to antipsychotic switching are cases in which the risk of switching outweighs the potential benefit. Contraindications to antipsychotic switching include effective treatment of an acute psychotic episode, patients stable on a LAI antipsychotic with a history of poor adherence, and stable patients with a history of self-injurious behavior, violent behavior, or ...
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Another method is "defined daily dose" (DDD), which is the assumed average dose of an antipsychotic that an adult would receive during long-term treatment. [15] DDD is primarily used for comparing the utilization of antipsychotics (e.g. in an insurance claim database), rather than comparing therapeutic effects between antipsychotics. [15]
Antipsychotics typically worsen symptoms in people with depersonalisation disorder. [140] Antipsychotic polypharmacy (prescribing two or more antipsychotics at the same time for an individual) is a common practice but not evidence-based or recommended, and there are initiatives to curtail it.
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.
Amisulpride is approved and used at low doses in the treatment of dysthymia and major depressive disorder. [10] [20] [11] [21] [22] [23] Whereas typical doses used in schizophrenia block postsynaptic dopamine D 2-like receptors and reduce dopaminergic neurotransmission, low doses of amisulpride preferentially block presynaptic dopamine D 2 and D 3 autoreceptors and thereby disinhibit dopamine ...
Brexpiprazole, sold under the brand name Rexulti among others, is an atypical antipsychotic medication used for the treatment of major depressive disorder, schizophrenia, and agitation associated with dementia due to Alzheimer's disease. [11] [13] [14] The most common side effects include akathisia (a constant urge to move) and weight gain. [12]
Chlorpromazine and other typical antipsychotics are primarily blockers of D2 receptors. An almost perfect correlation exists between the therapeutic dose of a typical antipsychotic and the drug's affinity for the D2 receptor. Therefore, a larger dose is required if the drug's affinity for the D2 receptor is relatively weak.