Pharm for Mood Disorders Flashcards
(33 cards)
What are the indications for antidepressants?
- Depression
- Anxiety
- Insomnia
- PMS
- Smokin cessation
- Eating disorders
- OCD
What drug is used for smoking cessation?
Zyban/Wellbutrin
What drug is used for OCD?
Luvox
What are 1st generation antidepressants?
- Tricyclic Antidepressants (TCA)
2. Monoamine oxidase inhibitors (MAOI’s)
What are 2nd generation antidepressants?
- SSRIs
2. Usually first choice
What must occur when switching from a 1st generation to a second generation antidepressant?
Must have a washout period
What is the first line class of drugs for treating depression? Why?
- SSRIs
2. Low side effects, low lethal potential
How long does it take SSRIs to take effect?
May take up to four weeks for full effect
How are SSRIs absorbed and metabolized?
Absorption: GI
Metabolism: Liver
What is the MOA of SSRIs? What is their peak and half life?
- Blocks reuptake of Serotonin at pre-synaptic neuron
- Peaks 4-6 hr
- Long half life = once daily dosing
What drugs are in the SSRI class?
- Celexa (citalopram)
- Lexapro (escitalopram)
- Luvox (Fluvoxamine)
- Paxil (paroxetine)
- Prozac (fluoxetine)
- Zoloft (sertraline)
- Viibryd (vilazodone)
What are the general se of antidepressants?
- Orthostatic hypotension
- Blood dyscrasia
A. Agranulocytosis - Cardiac changes
A. Base line EKG - Sedation
- wt gain
- Sexual dysfunction
A. Decreased libido
B. Anorgasmia
C. Erectile Dysfunction
D. Priapism
E. Retrograde ejaculation - Serotonin Syndrome
What is serotonin syndrome?
- Rapid increase in serotonin
- Too much too fast
- Begins hours to days after initial dose
- Potentially lethal
- Autonomic instability
A. Tachycardia
B. Increased BP
C. Increased temp
D. Sweating
E. Shivering
F. Change in mental Status
G. Anxiety restlessness
H. Tremors
I. Muscular spasms
J. dec coordination
How is serotonin syndrome treated?
- Supportive treatment
- Antipyretics
- Cooling measures
- Temporary withdrawal of drug
- Antianxiety medication
A. Valium – Spasms
B. Ativan - Restlessness
How are antidepressants started and stopped? Why?
- Taper to start or stop
2. Never discontinue abruptly bc: A. Nausea B. Lightheaded C. Dizzy D. Fatigue E. Flu-like symptoms F. Paresthesia
When are atypical antidepressants used for mood disorders?
- Used when client has inadequate response to SSRI
- Used when side effects are present with SSRI
- Block reuptake of different neuroreceptors than SSRI
What are examples of atypical antidepressants?
- Effexor (venlafaxine)
- Remeron (mirtazapine)
- Wellbutrin (bupropion)
- Desyrel (trazodone)
- Cymbalta (duloxetine)
- Pristique (desvenlafaxiine)
What are examples of TCAs?
- Anafranil (clomipramine)
- Elavil (amitriptyline)
- Sinequan (doxepin)
- Tofranil (imipraamine)
What are examples of other cyclic antidepressants?
- Pamelor
- Aventyl (nortriptyline)
- Norpramin (dsipramine)
- Vivactil (protriptyline)
What are the SE and contraindications for TCA?
- Start low and Go slow
- Do not use with glaucoma
- Anticholinergic SE’s can be severe
- Cardiac arrhythmias
- Baseline EKG
- Blurred vision
7.
Why shouldn’t ETOH and TCAs be mixed?
Both TCA and ETOH are CNS inhibitors
Depressed brain stem = Depressed vital functions
VERY LETHAL Combination
What are the anticholinergic SE of TCAs?
- Can’t see
- Can’t pee
- Can’t spit
- Can’t ________ (Constipated)
What is the 3rd line for antidepressant meds?
Monoamine oxidase inhibitors (MAOI’s)
How are MOAis absorbed and metabolized?
- Absorbed GI
- Metabolized in liver
- MAOI’s last 10 days in body