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Drug interactions central nervous system drugs

FLUOXETINE, FLUVOXAMINE, PAROXETINE BZDs - ALPRAZOLAM, DIAZEPAM, MIDAZOLAM t in plasma concentrations of these BZDs. Likely t sedation and interference with psychomotor activity Alprazolam, diazepam and midazolam are subject to metabolism by CYP3A4. Fluvoxamine, fluoxetine and possibly paroxetine are inhibitors of CYP3A4 sertraline is a weak inhibitor. SSRIs are relatively weak compared with ketoconazole, which is possibly 100 times more potent as an inhibitor Warn patients about risks associated with activities that require alertness. Consider use of alternatives such as oxazepam, lorazepam and temazepam, which are metabolized by glucuronidation >- For signs and symptoms of CNS depression, see Clinical Features of Some Adverse Drug Interactions, Central nervous system depression... [Pg.175]

CICLOSPORIN BZDs-ALPRAZOLAM, MIDAZOLAM, DIAZEPAM Likely t plasma concentrations and risk of t sedation These BZDs are metabolized primarily by CYP3A4, which is moderately inhibited by cidosporin Warn patients about t sedation. Consider using alternative drugs, e.g. ffurazepam, quazepam. Warn about activities requiring attention For signs and symptoms of CN5 depression, see Qinkal Features of Some Adverse Drug Interactions, Central nervous system depression... [Pg.441]

Discuss the uses, general drug actions, general adverse reactions, contraindications, precautions, and interactions of the central nervous system stimulants. [Pg.246]

Spatial cooperation is a term coined to describe a situation when disease in one particular anatomic site is missed by one modality but is treated adequately by another. The essence of this is that radiation is a local therapy that will not impact on metastatic disease beyond the planned field borders. Systemic cytotoxic chemotherapy is traditionally used to address the potential distant spread of cancer. In the original description of this mechanism there is no assumption of an interaction between the drugs and radiation with the idea being that the best radiation and best chemotherapy be administered independently of toxicities. The classic example used in several textbooks to illustrate this is the treatment of childhood leukemia with systemic chemotherapy, while their central nervous system, a potential sanctuary site where disease is not treated adequately by chemotherapy, is treated by radiation (28). The reality of the interaction between radiation and chemotherapy is that the dose and timing of radiation are adjusted accordingly to minimize their impact on the neural tissues. [Pg.8]

Newer MAOI drugs are selective for the MAO-A subtype of the enzyme, and are less likely to interact with foods or other drugs. Monoamine oxidase (MAO) inactivates monoamine substances, many of which are, or are related to, neurotransmitters. The central nervous system mainly contains MAO-A, whose substrates are adrenaline (epinephrine), noradrenaline (norepinephrine), metanephrine, and 5-hydroxyti7ptamine (5-HT), whereas extra-neuronal tissues, such as the liver, lung, and kidney, contain mainly MAO-B which metabolises p-phenylethylamine, phenylethanolamine, o-tyramine, and benzylamine. [Pg.273]

Pharmacodynamic alcohol interactions are also of great clinical significance. Additive central nervous system depression with other sedative-hypnotics is most important. Alcohol also potentiates the pharmacologic effects of many nonsedative drugs, including vasodilators and oral hypoglycemic agents. There is some evidence that alcohol also enhances the antiplatelet action of aspirin. [Pg.540]


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See also in sourсe #XX -- [ Pg.286 , Pg.287 ]




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