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19 Cards in this Set

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MOA of SSRIs

Selectively inhibit the neuronal re-uptake of 5-HT, thus enhancing synaptic concentrations of 5-HT and downregulating presynaptic 5-HT receptors

Other than depression, what are some SSRIs licensed in?

Anxiety disorders


Panic disorders


OCD

MOA of TCAs

Inhibit the neuronal uptake of NA and 5-HT leading to augmented concentrations in the synaptic cleft.


The increase in catecholamines may lead to down-regulation of presynaptic a-2 adrenoceptors and 5-HT receptors and postsynaptic b-adrenoceptors

Antimuscarinic SEs of TCAs

Dry mouth


Blurred vision


Constipation


Urinary retention


Sedation


Reduced motor co-ordination

Cardiac effects of TCAs

QT interval prolongation


Potentiation of catecholamines also predisposes to heart block and arrhythmias

MOA of NARIs

Selectively inhibit NA reuptake



When are NARIs used?

For patients who cannot take TCAs but are resistant to the effects of SSRIs

MOA of SNRIs?

Inhibits serotonin and NA reuptake

What are SNRIs associated with causing?

HTN

MOA of NaSSAs

Alpha2-adrenoceptor antagonist activity, inhibiting negative feedback by these presynaptic receptors and thus producing an increase in NA and 5-HT transmission

SEs of NaSSAs

Sedation in early treatment

MOA of SRMs

Serotonin receptor modulators


Inhibition of serotonin re-uptake and the selective inhibition of postsynaptic serotonin receptors

First line treatment for bipolar affective disorder?

Lithium (for both acute treatment and prophylaxis)

When should lithium be avoided?

In renal impairment

What is required during lithium treatment?

Therapeutic drug monitoring

Which other drugs are used in bipolar affective disorder?

Anticonvulsants: carbamazepine and valproate


Neuroleptics (antipsychotics)

Basis of anxiety treatment?

Benzodiazepines or beta blockers may offer symptomatic relief.


Antidepressants may improve the long term outcome

What is buspirone?

Activates 5-HT (1a) receptors, binds to dopamine receptors


Delay of 2-3 weeks prior to an anxiolytic effect

SEs of buspirone?

Dizziness


Nausea


Headache