Exam 1 Flashcards

1
Q

Non-Benzodiazepines: Zolpidem
Use:

A

Drug of choice for insomnia

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2
Q

Non-Benzodiazepines: Zolpidem
SEs/ADRs, Interactions:

A
  1. SEs/ADRs
    o Common: headache, drowsiness, dizziness, anxiety, abnormal dreams, hangover effect (residual sedation, you will still feel sleepy after waking up)
    o Sleep-related behaviors-engaging in activities in your sleep and not being aware of them. Ex/ driving, walking, talking on phone, cooking etc.
    o Suicidal thoughts
    o Hallucinations
  2. Interactions- no alcohol, CNS depressants
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3
Q

Non-Benzodiazepines: Zolpidem
Contradictions:

A

o Sleep apnea (breathing repeatedly stops and starts)
o Severe respiratory impairment
o Hepatic/renal impairment
o BEERS: avoid in patients over 65 yrs. old

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4
Q

Non-Benzodiazepines: Zolpidem
Administration:

A

Tablet- IR (immediate release) or ER (extended-release), SL (sublingual), best taken on an empty stomach at bedtime, used short term, only when you can get a full night’s sleep.

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5
Q

IV Anesthetics: Midazolam
Indications:

A

Conscious sedation for minor surgery or procedures. The patient will be sedated and relaxed but still conscious/responsive.

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6
Q

IV Anesthetics: Midazolam
ADRs:

A

o Impaired airway reflexes (can’t cough or gag, swallow),
o Hypotension, respiratory, and CV (cardiovascular) depression.

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7
Q

IV Anesthetics: Midazolam
Contradictions:

A

o Allergy
o Unstable cardiorespiratory function
o Non-fasting state (risk for aspiration)

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8
Q

Local Anesthetics: Lidocaine
MOA, Uses, Administration:

A
  1. MOA: numbs the skin
    o Onset is rapid and provides a long duration of action.
  2. Uses: minor surgeries/procedures (dental, IV start, suturing)
  3. Administration: infiltration (dermal injection)
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9
Q

Spinal and Epidural Anesthesia
Uses:

A

o Spinal: total joint replacement
o Epidural: childbirth

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10
Q

Spinal and Epidural Anesthesia
SEs/ADRs:

A

o Postural headache (occurs 1%- 1/100)
o Vital sign changes: hypotension, respiration depression
o Infection ex/ meningitis
o Bleeding

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11
Q

Spinal and Epidural Anesthesia

A
  1. Spinal (intrathecal)- single shot
    o Short-acting, regional anesthesia (short, quick, and powerful)
    o Drug injected around spinal column (subarachnoid space), quick onset less than 5 min.

o Epidural: between dura and vertebral wall, takes about 30 mins for onset, longer acting and lasting regional anesthesia.

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12
Q

Traditional (non-selective) NSAIDS: Aspirin and Ibuprofen
MOA, Uses:

A
  1. MOA: inhibit COX 1 and 2–> decrease prostaglandin synthesis–> decrease inflammation
  2. Uses:
    o analgesics (meds that relive pain)
    o antipyretics (meds that reduces fever)
    o inhibit platelet aggregation,
    o aspirin- MI (heart attack)/stroke prevention
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13
Q

Traditional (non-selective) NSAIDS: Aspirin and Ibuprofen
SEs/ADRs:

A

o GI bleeding
o renal insufficiency/failure
o increased blood pressureCV (cardiovascular) complications
o tinnitus
o Reye’s syndrome in children (aspirin)
o thrombocytopenia.
o DO NOT GIVE ASPIRIN IF UNDER 18 YRS OLD

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14
Q

Traditional (non-selective) NSAIDS: Aspirin and Ibuprofen
Interactions, Caution:

A
  1. Interactions:
    o other NSAIDs
    o 4 G’s (garlic, ginseng, ginkgo Biloba, green tea)- increased bleeding
  2. Caution: best not to take 2 days before or 1st 2 days of menstrual cycle due to increase bleeding
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15
Q

Traditional (non-selective) NSAIDS: Aspirin and Ibuprofen
Contraindications:

A

o Renal failure
o Hypertension
o DO NOT GIVE ASPIRIN IF UNDER 18 YRS OLD – due to increased risk of Reyes syndrome- associated with the use of aspirin during febrile illness (flu, chicken pox, URI (upper respiratory infection))

Reyes syndrome:
etiology- cause unknown, linked to brain swelling and liver damage.
symptoms: vomiting, lethargy, delirium, personality changes, seizures.

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16
Q

COX 2 selective NSAID: Celecoxib
MOA, Uses:

A
  1. MOA: selectively blocks COX 2, fewer GI side effects
  2. Uses:
    o Arthritis
    o Acute pain
    o Dysmenorrhea (pain associated with menstruation)
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17
Q

COX 2 selective NSAID: Celecoxib
ADRs:

A

o Associated with increased risk of serious adverse CV (cardiovascular) events
o MI (heart attack)
o CVA
o New onset hypertension
o Events (fewer than traditional NSAIDs)
o Hepatitis
o Acute kidney injury

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18
Q

COX 2 selective NSAID: Celecoxib
Contraindications, Interactions:

A
  1. Contradictions: history of heart disease
  2. Interactions:
    o ACE inhibitors
    o Anticoagulants
    o SNRIs – antidepressants
    o Lithium
    o Ginkgo biloba -increased bleeding
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19
Q

Gout and its Patho

A

Gout: due to accumulation of uric acid crystals into joints and other body tissuesinflammation

Patho:
o uric acid under secretion by kidneys
o overproduction of uric acid
o exogenous (high purine (meats and alcohol) diet)
male predominance, great toe (1st attack)

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20
Q

Gout treatment: Allopurinol

A

preferred urate-lowering drug

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21
Q

Gout treatment: Allopurinol
MOA, Use:

A
  1. MOA: lowers production of uric acid
  2. Use: gout prevention- treatment of chronic gout
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22
Q

Gout treatment: Allopurinol
SEs/ADRs:

A

o Hepatotoxicity
o Hypersensitivity reactions
o Stevens Johnsons Syndrome – blisters and peels reaction
o GI: nausea/vomiting
o Renal: renal failure
o CNS: drowsiness

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23
Q

Gout treatment: Allopurinol
Caution, Monitoring, Interactions:

A
  1. Caution: decrease dose or withdraw drug for renal impairment
  2. Monitoring: LFTs, renal function (BUN and Creatinine) periodically
  3. Interactions:
    o thiazide/loop diuretics
    o warfarin (allopurinol increases anticoagulant effect)
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24
Q

Acetaminophen

A

non-opioid analgesics; NOT an NSAID, no anti-inflammatory action or anti-platelet.

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25
Acetaminophen MOA, Uses:
1. MOA: unknown……. Theories? o Might weakly inhibit prostaglandin. o Activate the cannabinoid system. o Increase serotonin levels in the brain, which helps modulate pain. 2. Uses: reduce pain and fever
26
Acetaminophen Administration:
Oral form can be taken with or without food. MAX: 4 gm daily from all sources. Lower for the elderly or for hepatic impairment (2-3 gm daily) o do not self-medicate with acetaminophen for more than 10 days. -Pg 299
27
Acetaminophen ADRs, Cautions:
1. ADRs: o liver toxicity o monitor LFTs. o signs and symptoms of hepatotoxicity 2. Cautions: Use with caution in patients with hepatic impairments
28
Acetaminophen Interactions:
o increase the effect with caffeine. o avoid alcohol while taking acetaminophen. o decrease the effect with oral contraceptives, o Antacids (1-2 hrs. apart from other drugs) o may interact with potentially hepatic toxic herbs: echinacea and kava.
29
Acetaminophen Overdose
Antidote: N-acetylcysteine ~ used in patients at increased risk of liver failure.
30
Opioid analgesics
“Mu” agonists- morphine like drugs
31
Opioid analgesics MOA, Uses:
1. MOA: binds to opiate receptors in CNS-->decrease pain perception and suppresses cough center in the brain. 2. Uses: o Decrease moderate to severe pain. o Antitussive (cold medication- prevent/relieve cough)
32
Opioid analgesics Administration, SEs/ADRs:
1. Administration: varies 2. SE/ADRs: o Constipation o Nausea and vomiting o Urinary retention – dec sensation of bladder fullness o Itching o Sedation o Orthostatic hypotension o Bradycardia o Respiratory depression
33
Opioid analgesics Signs of OD(overdose), reversal agent:
1. Signs of OD (overdose): Pinpoint pupils- pg. 302 2. Reversal Agent: Naloxone o Only lasts about 20 minutes; repeat dosing may be needed. o IV, IM, SQ, intranasal
34
Opioid analgesics Interactions:
o Increased effects of alcohol o Sedatives o Antipsychotics o Muscle relaxers o St. John’s Wort may decrease drug effects.
35
PCA “Patient Controlled Analgesics”
o Gives pt control over pain management. o Usually morphine, hydromorphone, or fentanyl 1. High Alert: requires 2 nurse verification. 2. Only the patient can push the button.
36
“Triptans- medications used for headaches:” -Sumatriptan MOA, Uses:
1. MOA: serotonin agonist- induce vasoconstriction of extracranial arteries 2. Uses: Migraine, headache P Pulsative quality O One day duration U Unilateral direction N Nausea/vomiting D Disabling intensity Cluster, headache Excruciating pain is generally situated around one eye. “Lancinating pain” No non-headache symptoms Lasts 5 min-3 hrs. Other symptoms on affected side
37
“Triptans- medications used for headaches:” -Sumatriptan Administration, SEs/ADRs:
1. Administration: oral, SQ, intranasal 2. SE/ADRs: pg. 310 o Dizziness o Drowsiness o Flushing o Blurred vision o Pruritis (itchy skin) o Hypotension o Hypertensive crisis o Angina (chest pain) o Bradycardia o Tachycardia o Thrombus o Seizures o Hearing loss (2 triptans)
38
“Triptans- medications used for headaches:” -Sumatriptan Contradictions:
o Uncontrolled hypertension o History of stroke o MI (heart attack) o CAD (coronary artery disease)
39
“Triptans- medications used for headaches:” -Sumatriptan Interactions:
o SSRIs o St. John’s Wort – combination may lead to serotonin syndrome: too much serotonin stimulating basal ganglia--> tachycardia, hyperthermia, agitation, tremors, muscle rigidity….
40
CNS stimulant indications
Indications include treatment of ADHD, reduce narcolepsy, appetite control. Ex/methyl phenolate
41
ADHD
Characterized by inattentiveness, hyperactivity, and/or impulsivity that results in difficulty functioning in at least two settings (home/school). Symptoms must be present over 6 months. Stimulants play a prominent role in therapy. o Why? Thought is that there’s a deficiency of dopamine. Dopamine increases focus/concentration.
42
Narcolepsy
A disorder of REM sleep in which the patient will complain of excessive daytime sleepiness, often accompanied by sleep attacks and sudden loss of muscle tone (cataplexy). Diagnosis: symptoms present greater than 3 months.
43
Stimulant- Methylphenidate
a CNS stimulant
44
Stimulant- Methylphenidate MOA, Use:
1. MOA: increased levels of catecholamines (dopamine and norepinephrine). Dopamine and norepinephrine increase focus and wakefulness. 2. Use: treatment of ADHD, management of narcolepsy
45
Stimulant- Methylphenidate SEs/ADRs:
o Tachycardia o Anxiety o Headache o Sweating o Insomnia o Weight loss (monitor 2x/week) o Increased risk of stroke o MI (heart attack) o Arrhythmias o Hypertension -contraindicated in clients with cardiac abnormalities. o Psychotic symptoms -hallucinations, delusions, mania.
46
Stimulant- Methylphenidate Administration, Interactions:
1. Administration: o Give 30-45 mins before breakfast/lunch, this helps increase absorption. o DO NOT take it in the evening. 2. Interactions: o MAOIs o Antihistamines o Haloperidol o Caffeine o Dec effects of antihypertensives o AVOID CAFFINE & ALCOHOL
47
Seizure
Characterized by abnormal electrical activity in the brain. Epilepsy is a chronic condition of recurrent seizures. Characteristics: depends on type Underlying cause may be idiopathic, or provoked by stroke, infection, metabolic causes, drugs and alcohol.
48
Anti-seizure drugs- how do they work?
1. Decrease excitatory neurotransmitters. 2. Increase inhibitory neurotransmitters.
49
Anticonvulsants/Anti-seizure- Hydantoins: Phenytoin MOA, Use, Therapeutic level:
2. MOA: decrease excitation, enhance inhibition 3. Use: Prevent seizures- especially tonic-clonic 4. Therapeutic level: 10-20 mcg/ml
50
Anticonvulsants/Anti-seizure- Hydantoins: Phenytoin SEs/ADRs:
o Hyperglycemia o Headache o Dizziness o Confusion o Gum hyperplasia (overgrowth) o Thrombocytopenia (low levels of platelets) o Leukopenia (low levels of WBCs) o Hepatic injury o Stevens Johnson Syndrome o Teratogenicfetal malformations o Suicidal ideation o Depression
51
Anticonvulsants/Anti-seizure- Hydantoins: Phenytoin Precautions:
o Impairs Vit D metabolism-->decrease absorption of calcium-->increased risk of osteoporosis-->increased risk fractures. o DO NOT STOP SUDDENLY status epilepticus. o Impairs folic acid absorption.
52
Anticonvulsants/Anti-seizure- Hydantoins: Phenytoin Administration, Interactions:
1. Administration: capsules, suspension, IV infusion no more than 50 mg/min 2. Typical Scenario: Pt seizing- give benzo, then follow up with 1 gm of IV phenytoin to prevent seizure recurrence. 3. Interactions: o dec effect of anticoagulants o dec efficiency of OCPs (birth control)
53
Anticonvulsants/Anti-seizure-Valproid Acid MOA, Uses:
1. MOA: dec excitation 2. Uses: o Seizures (any type except absence) o Broad spectrum, very effective
54
Anticonvulsants/Anti-seizure- Valproid Acid SEs/ADRs:
o CNS depression o Sedation o Respiratory depression o Hepatoxicity
55
Anticonvulsants/Anti-seizure- Valproid Acid Valproid acid and pregnancy:
HIGHLY teratogenic! Exposure in utero is associated with major malformations. AVOID in pregnancy.
56
Anticonvulsants/Anti-seizure- Valproid Acid Monitoring:
o Therapeutic level: 50-125 mcg/ml o Risk for hepatotoxicity - base line LFTs before starting and at frequent intervals thereafter, especially during the 1st six months.
57
Anticonvulsants/Anti-seizure- Valproid Acid Precautions. Interactions:
1. Precautions: DO NOT SUDDENLY STOP TAKING! will lead to status epilepticus 2. Interactions: CNS depressants
58
Anticonvulsants/Anti-seizure- Benzodiazepines:
“BB”- benzos break seizures. Ex/ diazepam, lorazepam, midazolam.
59
Anticonvulsants/Anti-seizure- Benzodiazepines: Uses, Administration:
1. Uses: o Acute seizures o Status epilepticus 2. Administration: give slowly to avoid respiratory depression o Lorazepam IV o Diazepam IV/PR (parenteral route) o Midazolam IV, IM, intranasal
60
Anticonvulsants/Anti-seizure- Phenobarbital
Barbiturate-oldest anti-seizure drugs, use is limited because of its sedating effects.
61
Anticonvulsants/Anti-seizure- Phenobarbital MOA, Uses:
1. MOA: decrease excitation 2. Uses: still first line agent in children and neonates, status epilepticus in adults
62
Anticonvulsants/Anti-seizure- Phenobarbital SEs, ADRs:
1. SEs: CNS depression, sedation 2. ADRs: o Apnea o Hyperventilation o Hypotension o Bradycardia o Coma
63
Anticonvulsants/Anti-seizure- Phenobarbital Monitor: Therapeutic level
10-40 mcg/mL, over 40 lethal range
64
Anticonvulsants/Anti-seizure- Phenobarbital Precaution, Interactions:
1. Precaution: cannot be abruptly discontinue, taper to avoid withdrawal 2. Interactions: decrease efficacy of OCPs, corticosteroids, theophylline, CNS depressants
65
Psychosis
Broadly defined as loss of contact with reality, increased risk of harm to self and others.  Etiology: too much dopamine  Causes: o Feature of psychiatric disorders o Substance abuse o Underlying medical disease
66
Schizophrenia
A psychiatric disorder involving chronic or recurrent psychosis.  Onset of illness: adolescence or early adulthood  Positive symptoms: reality distortion symptoms such as hallucinations or delusions.  Negative “deficit” symptoms: o Decreased expressiveness o Apathy o Lack of energy o Cognitive impairment: * Attention * Memory * Learning * Reasoning is affected.
67
EPS (Parkinson-type movements)-
most significant ADR of antipsychotics, particularly typicals (Haloperidol). o Etiology: due to blockage of dopamine-->Parkinson’s type symptoms: * Tremors * Masked facies * Rigidity * Shuffling gait * Dystonia (muscle spasms) * Akathisia (restlessness) * Tardive dyskinesia (irreversible- involuntary movements of face and jaw)
68
EPS (Parkinson-type movements) Treatment:
* Anticholinergics * Diphenhydramine * Benztropine * Switch to atypical
69
NMS (neuroleptic malignant syndrome)
Potentially lethal MEDICAL EMERGENCY Directly caused by antipsychotics Cause: unknown? Dopamine receptor Blockade-->destabilization of sympathetic nervous system
70
NMS (neuroleptic malignant syndrome) Signs and Symptoms:
o MS (mental status) changes o Muscle rigidity o Increased fever -over 40 C o Severe hypo/hypertension o Seizure activity o Tachycardia o Tachypnea
71
NMS (neuroleptic malignant syndrome) Treatment:
o Immediate withdrawal of antipsychotic o Hydration o Cool blankets o Benzos if seizure develops.
72
Antipsychotic: Haloperidol
typical antipsychotic
73
Antipsychotic: Haloperidol Uses:
o Psychotic disorder o Acute agitation o Movement disorders: * Huntington’s disease-->attacks areas of the brain that control voluntary movement. * Tourette’s syndrome-->tics/twitches
74
Antipsychotic: Haloperidol SEs:
o Drowsiness o Headache o Photosensitivity o Urinary retention o Sexual dysfunction o Orthostatic hypotension
75
Antipsychotic: Haloperidol ADRs:
o EPS (Parkinson-type movements- twitches, jerks, twisting or writhing movements) and o NMS (neuroleptic malignant syndrome- a life-threatening idiosyncratic reaction to antipsychotic drugs)
76
Antipsychotic-Atypicals~Aripiprazole
Used for long term treatment of psychosis, also used for depressive symptoms.
77
Antipsychotic- Atypicals~Aripiprazole MOA, teaching
1. MOA: block dopamine and serotonin. 2. Teach pt that initial improvement may be seen in 1-2 weeks but takes 4-6 weeks to achieve full effect.
78
Antipsychotic- Atypicals~Aripiprazole Uses:
o Bipolar disorder o Major depressive disorder o Schizophrenia o Tourette’s o Autistic disorder
79
Antipsychotic- Atypicals~Aripiprazole SEs:
o Restlessness or sedation o Hyperglycemia o Dyslipidemia (abnormal cholesterol) o Photosensitivity o Sexual disfunction o Weight gain
80
Antipsychotic- Atypicals~Aripiprazole ADRs:
o Low possibility of EPS/NMS o Hematologic abnormalities: o Neutropenia - Recommendations: check CBC frequency within first few months of therapy - Teach pt to report signs and symptoms of infection.
81
Anti-depressant groups
o Selective serotonin reuptake inhibitors (SSRIs) o Serotonin-norepinephrine reuptake inhibitors (SNRIs) o Tricyclic antidepressants (TCAs) o Monoamine oxidase inhibitors (MAOIs)
82
Anti-depressants and mood stabilizers theory
Theory- due to abnormal levels of serotonin, norepinephrine, and dopamine.
83
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine
1st line therapy for depressive symptoms/anxiety disorders.
84
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine MOA:
Increase availability of serotonin
85
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine Uses:
o Depression o Bipolar 2 disorder o Dysthythia (persistent depression) o Anxiety disorders o Bulimia
86
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine SEs:
o Sedation o Sexual dysfunction o Diarrhea
87
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine ADRs:
o Hyponatremia o Seizures o Suicidal ideation
88
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine Contradictions:
o Allergy o Hypersensitivity
89
Anti-depressants- SSRIs (Selective serotonin reuptake inhibitors): Fluoxetine Interactions:
o Triptans o MAOIs o St. John’s Wort
90
Anti-depressants- SNRI’s (Serotonin-norepinephrine reuptake inhibitors): Desvenlafaxine MOA:
Increases levels of serotonin and norepinephrine
91
Anti-depressants- SNRI’s (Serotonin-norepinephrine reuptake inhibitors): Desvenlafaxine Uses:
o Depression o Anxiety o Chronic pain
92
Anti-depressants- SNRI’s (Serotonin-norepinephrine reuptake inhibitors): Desvenlafaxine SEs:
o Nausea o Sweating o Loss of appetite o Drowsiness or insomnia o ED (erectile dysfunction)
93
Anti-depressants- SNRI’s (Serotonin-norepinephrine reuptake inhibitors): Desvenlafaxine ADRs:
o Hypertension or orthostatic hypotension o Suicide ideation (adolescence- early 20s) o Seizures o NMS (rare) pg. 271
94
Anti-depressants- SNRI’s (Serotonin-norepinephrine reuptake inhibitors): Desvenlafaxine Contraindications/ Interactions:
o Hypersensitivity o MAOIs o Linezolid
95
Anti-depressants- TCAs (Tricyclic antidepressants)-Amitriptyline
Original therapy for depression long ago. Fallen out of favor. HIGH MORTALITY IN OVERDOSE.
96
Anti-depressants- TCAs (Tricyclic antidepressants)-Amitriptyline MOA:
Similar to SNRIs, increased serotonin and norepinephrine
97
Anti-depressants- TCAs (Tricyclic antidepressants)-Amitriptyline Uses:
o Depression o Bedwetting o OCD (obsessive compulsive disorder) o Fibromyalgia o Neuropathic pain
98
Anti-depressants- TCAs (Tricyclic antidepressants)-Amitriptyline SEs:
o Sedation o Postural hypotension (common) o Urinary retention o Dry mouth o Weight gain
99
Anti-depressants- TCAs (Tricyclic antidepressants)-Amitriptyline ADRs:
o Seizures o Respiratory depression o Arrhythmias
100
Anti-depressants- TCAs (Tricyclic antidepressants)-Amitriptyline Precautions, Interactions:
1. Precautions: o Use with caution in pts with a history of cardiovascular disease. 2. Interactions: o MAOIs o CNS depressants
101
Anti-depressants- MAOIs (Monoamine oxidase inhibitors)-Phenelzine
RARELY USED for depression due to risk of hypertensive crisis (a sudden, severe increase in blood pressure 180/120 or greater) when taken with tyramine rich foods and certain medication (stimulant meds). -used when nothing else works.
102
Anti-depressants- MAOIs (Monoamine oxidase inhibitors)-Phenelzine Action:
o MAO -degrades serotonin, norepinephrine and dopamine. o MAOIs – prevent breakdown of these neurotransmitters.
103
Anti-depressants- MAOIs (Monoamine oxidase inhibitors)-Phenelzine Uses:
o Depression o Parkinson’s disease (caused by not enough serotonin)
104
Anti-depressants- MAOIs (Monoamine oxidase inhibitors)-Phenelzine SEs:
o Dizziness o Drowsiness o Headache o Dry mouth o Constipation o Weight gain o Sexual side effects
105
Anti-depressants- MAOIs (Monoamine oxidase inhibitors)-Phenelzine ADRs:
o Hypertensive crisis resulting from drug and food interactions. - MAO normally breakdown tyramine (sympathomimetic-raises heart rate, blood pressure)
106
Anti-depressants- MAOIs (Monoamine oxidase inhibitors)-Phenelzine Interactions:
Foods that contain tyramine-- Aged (Swiss, parmesan, blue cheese) and fermented (sauerkraut, yogurt, soy sauce, no Asian food) Processed meats (salami, pepperoni) Pickled foods (kimchi) Alcohol Drugs-- CNS stimulants Sympathomimetics Cold medications Other antidepressants Drug-Herb pg 271-- Ginseng Ephedra St. Johns Worts Brewer’s yeast (makes beer) Anise
107
Mood stabilizer- Lithium
1st drug of choice for any of the bipolar disorders.
108
Mood stabilizer- Lithium MOA:
o Decrease dopamine (dec excitation) o Inc serotonin (happy hormone) o Dec norepinephrine (stress hormone) o Therapeutic effect: mood stabilization
109
Mood stabilizer- Lithium Uses:
o Mania with bipolar disorder o Mood stabilizer
110
Mood stabilizer- Lithium SEs:
o GI upset o Muscle weakness o Tremors o Memory loss o Confusion o Weight changes o Polyuria o Dehydration
111
Mood stabilizer- Lithium ADRs:
o Hypotension o Dysrhythmias o Seizures o Hyponatremia o Nephrotoxicity
112
Mood stabilizer- Lithium Contraindications:
o HIGLY TERATOGENIC – do not use during pregnancy. o Keep drug levels below 1.5 meq/L
113
Mood stabilizer- Lithium Interactions:
o NSAIDs o Haldol increases lithium levels.
114
Mood stabilizer- Lithium Pt teaching:
o Stay hydrated. Maintain a high level of hydration- 2-3 L/day initially, 1-2 L/day maintenance. Dehydration-->lithium toxicity o Drinking alcohol is not recommended. o Take with food to decrease GI upset. o Wear medical alert bracelet.