Mood Disorders Flashcards
(41 cards)
Hypothesis for the source of depression
- Monoamine Hypothesis
2. Loss of neurotrophic support
What does reserpine do?
Depletes monoamines
What transmitter is associated with explanaiton of the neurotrophic hypothesis
BDNF
Five types of anti-depressants
- SSRIs
- SNRIs (pure or TCA)
- 5HT2 Antagonist
- Tetra/Unicyclic Antidepressants
- MAOIs
Important SSRIs to remember
Fluoxetine, Paroxetine, Fluvoxamine (Inhibit 450s)
Sertraline, Citalopram, Escitalopram
There are toxicity concerns when SSRIs are distributed with…
TCAs
Indications or SSRIs?
MDD
Anxiety Disorders (GAD, Panic, Social, OCD, PTSD)
Premenopausal Dysphoric disturbance
Eating disorder (Bulimia only)
Adverse Effects of SSRIs (6)
Sexual Dysfunction Weight Gain Serotonin Syndrome Adolescent suicide Withdrawl syndrome Newborn Effects
Symptoms of Serotonin Syndrome
Cog – Delirium, Coma
Autonomic – HTN, Tachy
Somatic – Myoclonus, hyperreflexia, tremor
Effects of SSRIs on newborns?
Persistant Pulmonary HTN
Neonatal abstinence syndrome
COngenital malformations (no strong evidence)
Three important SNRIs
Duloxetine
Venlafaxine
Des-venlafaxine
Name the five SNRI Tricyclic Antidepressants
Imipramine (anticholinergic) Amitryptyline (hits many receptors, sedating) Nortryptyline Clomipramine Desipramine
Which TCAs effect 5HT more than NE?
Imipramine, Amitryptyline
Which TCAs effect NE more than 5HT?
Desipramine, Nortriptyline
TCAs are used to treat…
MDD not responsive to SSRIs Anxiety disorders Pain (diabetic neuropathy, fibromyalgia) Enuresis Insomnia
Adverse effects of SNRIs
Cardiotoxicity (TCAs can block Na channels) Sexual Dysfxn Weight Loss Serotonin Syndrome (esp. when TCA+MAOI) Suicidal Thoughts Withdrawl Sedation
5HT2 Antagonists are also called… the important one is…
SARI (Serotonin antagonist and reuptake inhibitor)
Trazodone
Active metabolite of Trazodone
mCPP
People takin Trazodone can’t drink…
grapefruit juice
it blocks CYP3A4
Trazodone adverse effects
Hypotension from adrenergic receptor blockade
Trazodone uses…
depression (mostly replaces by SSRIs)
hypnotic
anxiety
Name the unicyclic antidepressant and its mode of action
Buproprion
DA and NE reuptake inhibitor
Also a nAChR antagonist
Adverse effects of Buproprion
Few Sexual Side Effects
Insomnia
Anorexia
Seizures
Uses for Buproprion
AD, supplement to SSRI, smoking cessation