Xem 1-3 trên 3 kết quả Extrapyramidal symptoms
  • Introduction: Phenothiazine drugs, including chlorpromazine and levomepromazine, have been being widely used as neuroleptics (major tranquilizers), antiparkinsonian drugs and antihistaminics for a long time [1]. Table 1.1 shows chemical structures of representative phenothiazines. These drugs show blocking action on D2 receptors of dopaminergic neurons; there is close relationship between the receptor blocking and tranquilizing actions. The dopamine D2 receptor-blocking actions provoke extrapyramidal symptoms, such as muscular stiffness, tremor and ptyalism.

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  • In one sense, pharmacology can be considered a “good news, bad news” scenario. The good news is that exciting and innovative changes in drug therapy continue to occur at lightning speed. The bad news is that it is often difficult for health care practitioners to stay abreast of this rapidly changing field. Oftentimes, drug therapies that were considered state-of-the-art only a few years ago are now outdated and replaced by more contemporary treatments.

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  • Widely recognised as the best starting point for pharmacology study, the internationally best-selling Medical Pharmacology at a Glance is an ideal companion for all students of the health sciences. Key principles are supported by coloured schematic diagrams - invaluable as both an introduction to medical pharmacology, and revision in the run-up to pharmacology exams.

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