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Tricyclic antidepressants interaction with other drugs

Patients with coexisting cardiovascular and pulmonary conditions (e.g., ARDS, pulmonary infection, pulmonary aspiration) may be more susceptible to the toxic effects or complications of tricyclic antidepressant poisoning. The influence of chronic exposure to tricyclic antidepressants on the risks of an acute overdose is unclear. Tricyclic antidepressants interact with other central nervous system depressant drugs, which together may lead to increased central nervous system and respiratory depression. [Pg.144]

The main problems with early, irreversible MAOIs were adverse interactions with other drugs (notably sympathomimetics, such as ephedrine, phenylpropanolamine and tricyclic antidepressants) and the infamous "cheese reaction". The cheese reaction is a consequence of accumulation of the dietary and trace amine, tyramine, in noradrenergic neurons when MAO is inhibited. Tyramine, which is found in cheese and certain other foods (particularly fermented food products and dried meats), is normally metabolised by MAO in the gut wall and liver and so little ever reaches the systemic circulation. MAOIs, by inactivating this enzymic shield, enable tyramine to reach the bloodstream and eventually to be taken up by the monoamine transporters on serotonergic and noradrenergic neurons. Fike amphetamine, tyramine reduces the pH gradient across the vesicle membrane which, in turn, causes the vesicular transporter to fail. Transmitter that leaks out of the vesicles into the neuronal cytosol cannot be metabolised because... [Pg.433]

Would protein binding interactions with other drugs (e.g., warfarin) be likely to occur with tricyclic antidepressants ... [Pg.47]

In contrast, acute alcohol use can inhibit metabolism of other drugs because of decreased enzyme activity or decreased liver blood flow. Phenothiazines, tricyclic antidepressants, and sedative-hypnotic drugs are the most important drugs that interact with alcohol by this pharmacokinetic mechanism. [Pg.499]

Additive CNS depression This occurs when sedative-hypnotics are used with other drugs in the class as well as with alcoholic beverages, antihistamines, antipsychotic drugs, opioid analgesics, and tricyclic antidepressants. This is the most common type of drug interaction involving sedative-hypnotics. Additive CNS depression with buspirone is uncommon. [Pg.208]

Finally, the demonstration that narcotic analgesics interact with brain amines suggests that these analgesics may interact with other psychotropic drugs, like the MAO inhibitors, the tricyclic antidepressants and the neuroleptics. [Pg.274]

Changing a patient from one MAOI to another, or to a TCA, requires a "wash-out" period of at least 2 weeks to avoid the possibility of a drug interaction. There is evidence to suggest that a combination of an MAOI with clomipramine is more likely to produce serious adverse effects than occurs with other TCAs. Regarding the newer non-tricyclic antidepressants, it is recommended that a "wash-out" period of at least 5 weeks be given before a patient on fluoxetine is given an MAOI this is due to the very long half-life of the main fluoxetine metabolite norfluoxetine. [Pg.189]

A growing number of drugs are used that affect the many neurotransmitters in the brain benzodiazepines and others act on GABAergic transmission antidepressants, such as monoamine oxidase inhibitors and tricyclic antidepressants, are thought to increase the concentration of transmitter amines in the brain and so elevate mood—these will also act at peripheral nerve terminals, so interactions with them are a combination of peripheral and central actions. Levodopa (L-dopa) increases central as well as peripheral dopamine, and the newer class of psychoactive drugs, the selective serotonin reuptake inhibitors (SSRIs) of which the ubiquitous fluoxetine (Prozac) is best known, act in a similar way on serotonergic pathways. [Pg.273]


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Antidepressant drugs

Antidepressant drugs (antidepressants

Antidepressants interactions

Antidepressants, tricyclic

Drug interactions with

Interaction with other drugs

Interactions with other

OTHER DRUGS

Tricyclic antidepressants interactions

Tricyclic drugs

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