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Methyldopa: increased risk of extrapyramidal side effects and other unwanted central effects; Other central depressants (alcohol, tranquilizers, narcotics): actions and side effects of these drugs (sedation, respiratory depression) are increased. In particular, the doses of concomitantly used opioids for chronic pain can be reduced by 50%.
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.
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fluphenazine and haloperidol: more extrapyramidal side effects (EPS) and less antihistaminic effects (e.g. sedation), alpha adrenergic antagonism (e.g. orthostatic hypotension), and anticholinergic effects (e.g. dry mouth) middle: perphenazine and loxapine: intermediate D2 affinity, with more off-target effects than high-potency agents low ...
Celexa – an antidepressant of the SSRI class; Centrax – an anti-anxiety agent; Clozaril – atypical antipsychotic used to treat resistant schizophrenia; Concerta (methylphenidate) – an extended release form of methylphenidate
Neuroleptic malignant syndrome (NMS) is a rare [5] [6] but life-threatening reaction that can occur in response to antipsychotics (neuroleptic) or other drugs that block the effects of dopamine. [ 1 ] [ 7 ] Symptoms include high fever , confusion, rigid muscles, variable blood pressure, sweating, and fast heart rate. [ 1 ]
The most common typical antipsychotics associated with EPS are haloperidol and fluphenazine. [4] Atypical antipsychotics have lower D2 receptor affinity or higher serotonin 5-HT2A receptor affinity which lead to lower rates of EPS. [5] Other anti-dopaminergic drugs, like the antiemetic metoclopramide, can also result in extrapyramidal side ...
Dopamine receptor flow chart. Dopamine receptors are all G protein–coupled receptors, and are divided into two classes based on which G-protein they are coupled to. [1] The D 1-like class of dopamine receptors is coupled to Gα s/olf and stimulates adenylate cyclase production, whereas the D 2-like class is coupled to Gα i/o and thus inhibits adenylate cyclase production.