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These side effects are serious and some of them are permanent, and many remain a crucial concern for companies and healthcare professionals and substantial efforts are being encouraged to reduce the potential risks for future antipsychotics through more clinical trials and drug development.
Note: "Notable" is to mean side-effects that are particularly unique to the antipsychotic drug in question. For example, clozapine is notorious for its ability to cause agranulocytosis. If data on the propensity of a particular drug to cause a particular AE is unavailable an estimation is substituted based on the pharmacologic profile of the drug.
Common adverse effects of olanzapine, occurring from 1–10%, include: Gynecomastia [8] Extrapyramidal symptoms (EPS) (dose-dependent). Tends to produce less extrapyramidal side effects than typical antipsychotics but more extrapyramidal side effects than sertindole, clozapine and quetiapine. [9] [10]
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]
Extrapyramidal side effects, although potentially serious, are infrequent to rare from olanzapine, [43] but may include tremors and muscle rigidity. Aripiprazole, asenapine, clozapine, quetiapine and olanzapine, in comparison to other antipsychotic drugs, are less frequently associated with hyperprolactinaemia. Although these drugs can cause ...
Individuals may MUA antipsychotics for various reasons, including recreational purposes, self-medication, or attempting to alter their mental or emotional state.The most common forms of antipsychotic abuse may include non-prescribed use, which involves the use of antipsychotic medications without a valid legal prescription or the absence of medical supervision.
As haloperidol is a high-potency typical antipsychotic, it tends to produce significant extrapyramidal side effects. According to a 2013 meta-analysis of the comparative efficacy and tolerability of 15 antipsychotic drugs it was the most prone of the 15 for causing extrapyramidal side effects. [29]
Almost all the adverse blood reactions occur within the first year of treatment and the majority within the first 18 weeks. [148] After one year of treatment these risks reduce markedly to that seen in other antipsychotic drugs 0.01% or about 1 in 10,000 and the risk of death is markedly lower still. [147]