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Typical antipsychotics have been around longer and are known as first-generation antipsychotics. Atypical antipsychotics are a newer class, known as second-generation antipsychotics. While typical ...
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 ...
Typical antipsychotic. Typical antipsychotics (also known as major tranquilizers, and first generation antipsychotics) are a class of antipsychotic drugs first developed in the 1950s and used to treat psychosis (in particular, schizophrenia ). Typical antipsychotics may also be used for the treatment of acute mania, agitation, and other conditions.
Clozapine is a psychiatric medication and was the first atypical antipsychotic (also called second-generation antipsychotic) to be discovered. [6] It is primarily used to treat people with schizophrenia and schizoaffective disorder who have had an inadequate response to two other antipsychotics, or who have been unable to tolerate other drugs due to extrapyramidal side effects.
First-generation antipsychotics (e.g., chlorpromazine), known as typical antipsychotics, were first introduced in the 1950s, and others were developed until the early 1970s. [12] Second-generation antipsychotics, known as atypical antipsychotics, arrived with the introduction of clozapine in the early 1970s followed by others (e.g., risperidone ...
The mechanism of actions of most antipsychotics is post-synaptic blockage of brain dopamine D2 receptors. Second generation antipsychotics also bind with serotonin 5HT2 receptors at a high affinity, which is suggested to be the cause for the lowered risk of extrapyramidal side effects compared with first generation antipsychotics. [14]
The second-generation iPhone SE (also known as the iPhone SE 2 or the iPhone SE 2020) is a smartphone designed, developed, and marketed by Apple Inc. It is part of the 13th generation of the iPhone, alongside the iPhone 11 and 11 Pro/Pro Max models. Apple announced it on April 15, 2020, coinciding with the discontinuation of the iPhone 8 and 8 ...
The first-generation iPhone SE (also known as iPhone SE 1 or iPhone SE 2016; SE is an initialism of Special Edition [9]) is a smartphone that was designed, developed, and marketed by Apple Inc. It is part of the 9th generation of the iPhone alongside the higher-end iPhone 6s and 6s Plus .