Exam 7 Flashcards

(62 cards)

1
Q

Long-Acting Antimuscarinic/Anticholinergic (LAMA)

A

Tiotropium Bromide (Spiriva Handihaler, Spiriva Respimat)

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2
Q

How do LAMAs work?

A

Blocks acetylcholine at muscarinic receptors (M3 receptors) in the lungs, lasting 24 hours.

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3
Q

Long-Acting Antimuscarinic/Anticholinergic (LAMA): FDA Approved Indications

A

Handihaler: COPD Only
Respimat: COPD (2.5 mcg), Asthma (1.25 mcg)

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4
Q

Long-Acting Antimuscarinic/Anticholinergic (LAMA): Adverse Effects

A

Dry Mouth/Cough, Constipation, Headache

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5
Q

Long-Acting Antimuscarinic/Anticholinergic (LAMA): Drug Interactions

A

Other drugs with anticholinergic effects, Acetylcholinesterase inhibitors (Donepezil, Aricept)

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6
Q

Long-Acting Antimuscarinic/Anticholinergic (LAMA): Warnings

A

No Boxed Warning, Precautions: Use in BPH and Glaucoma, Handihaler capsule contains lactose (Caution in those with milk protein hypersensitivity)

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7
Q

Long-Acting Antimuscarinic/Anticholinergic (LAMA): Patient Counseling

A
  • Complicated assembly
  • Stable for 3 months once activated (should write exp. date on vial)
  • Should be used everyday regardless of how patient feels
  • Tablets are for inhalation only (handihaler)
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8
Q

Classification of Productive Cough

A
  • Wet/Chesty Cough
  • Expels secretions from lower respiratory tract
  • Secretions may be clear, purulent, malodorous
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9
Q

Classification of NonProductive Cough

A
  • Dry/Hacky Cough

- No useful physiologic purpose

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10
Q

Cough Suppressants

A
  • Benzonatate (Tessalon Perles - RX Only)

- Dextromethorphan (Robitussin - OTC)

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11
Q

How do cough suppressants work? (Benzonatate)

A

Acts peripherally in the lungs to anesthetize receptors to the cough reflex

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12
Q

How do cough suppressants work? (Dextromethorphan)

A

Acts centrally in the brain to increase the cough threshold

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13
Q

Similarties between Benzonatate and Dextromethorphan

A

Both decrease the body’s response to the sensation to cough

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14
Q

Cough Suppressants FDA Approved Indications

A

Symptomatic relief of unproductive cough

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15
Q

Benzonatate Adverse Effects

A
  • Oral/pharyngeal numbness IF CAPSULES ARE BROKEN
  • Dizziness
  • Headache
  • GI upset
  • Sedation/bizarre behavior
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16
Q

Benzonatate Drug Interactions

A

Alcohol and CNS depressants may worsen drowsiness

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17
Q

Benzonatate Warnings

A

No Boxed Warning, Precautions: Patients with psychiatric medications, Contraindications: Kids <10 years old and patients with reactions to anesthetic agent tetracaine

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18
Q

Dextromethorphan Adverse Effects

A
  • Drowsiness
  • Nausea, vomiting, constipation, stomach discomfort
  • Overdose: restlessness, drowsiness, excitation, confusion, nervousness,
  • Respiratory depression at very high doses
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19
Q

Dextromethorphan Drug Interactions

A
  • Separate from MAOIs by 14 days
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20
Q

Dextromethorphan Warnings

A

No Boxed Warning, Should NOT be used in children <4 years old, Risk of serotonin syndrome when administered with other serotonergic medications (SSRI, SNRI), Watch for signs of abuse

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21
Q

Dextromethorphan Patient Counseling Points

A
  • Do not use if you have a productive cough outside of at bedtime for relief (Honey is more effective in children for a cough)
  • May want to limit use during the day due to risk of sedation
  • Limit administration with other sedation medications
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22
Q

Expectroants

A

Guaifenesin (Mucinex - OTC)

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23
Q

How does guaifenesin improve cough?

A

Loosens and thins lower respiratory tract secretions (enables cough to clear more mucus)

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24
Q

Guaifenesin FDA Approved Indication

A
  • Symptomatic relief of acute, ineffective productive coughs

- Not indicated for chronic cough associated with COPD, asthma, or smoker’s cough

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25
Guaifenesin Adverse Effects
- Well Tolerated - Dizziness/Drowsiness - Headache
26
Guaifenesin Drug Interactions
- None
27
Guaifenesin Warnings
- None
28
Guaifenesin Patient Counseling
- Take with full glass of water - Do not crush/chew ER - Cough lasting longer than 7 days should be followed up by a PCP
29
Topical Lidocaine
Lidocaine 5% (Lidoderm)
30
How does lidocaine work?
Local anesthetic that provides analgesic effect through blocking conduction of nerve impulses
31
Lidocaine FDA Approved Indications
Postherpetic neuralgia and localized pain
32
Lidocaine Adverse Effects
- Localized reactions (skin irritation) - May contain metal (aluminum)  burns in MRI - Paresthesia (numbness, tingling)
33
Lidocaine Drug Interactions
None since topical product (minimal systemic absorption)
34
Lidocaine Warnings
- Apply only to intact skin | - Liver dysfunction (requires use of fewer patches, shorter time periods, longer treatment-free intervals)
35
Lidocaine Patient Counseling
- Do not cover with tight clothes or occlusive dressing - Apply 1-3 patches for 12 hours - Only one application in 24 hours - Can cut into smaller pieces to fit area needed - Fold patches after use
36
Phosphodiesterase-5 Inhibitors (PDE-I): ED
Sildenafil (Viagra), Tadalafil (Cialis)
37
Phosphodiesterase-5 Inhibitors (PDE-I): PAH
Sildenafil (Revatio), Tadalafil (Adcirca)
38
How do PDE-Is work?
Enhance smooth muscle relaxation to allow greater blood flow (Enhance nitric oxide-induced relaxation of vascular smooth muscle)
39
PDE-Is FDA Approved Indications
- Erectile Dysfunction (ED) - Pulmonary Arterial Hypertension (PAH) - BPH (CIALIS ONLY)
40
PDE-Is Adverse Effects
- Headache/ muscle ache - Flushing - Nausea - Chest pain - Low blood pressure
41
PDE-Is Drug Interactions
- Nitrates (Nitroglycerin) | - a-adrenergic agonists
42
PDE-Is Warnings
No Boxed Warning, Sudden Loss of Vision/Hearing, Hypotension, Contraindicated with use of nitrates
43
PDE-Is Patient Counseling
- Counsel patients on signs of low blood pressure (i.e. dizziness, unsteadiness) - Take at least 30 minutes before anticipated sexual activity - Seek immediate medical attention if priapism occurs (erection lasting > 6 hours)
44
PDE-Is Clinical Pearl
Tadalafil can be taken once daily to provide full day coverage
45
What is Benign Prostatic Hyperplasia (BPH)?
- Occurs in almost all men as they continue to age - Reduced bladder emptying - Increased urinary frequency and urgency
46
5-a Reductase Inhibitors
Dutasteride (Avodart), Finasteride (Proscar (BPH), Propecia (Hair Loss)
47
How do 5-a Reductase Inhibitors work?
- Inhibits conversion of testosterone to dihydrotestosterone | - DHT stimulates prostate growth and contributes to male pattern baldness
48
5-a Reductase Inhibitors FDA Approved Indications
- Benign prostatic hyperplasia | - Male pattern baldness (finasteride only)
49
5-a Reductase Inhibitors Adverse Effects
- Gynecomastia - Reduced Libido - Impotence - Dizziness
50
5-a Reductase Inhibitors drug Interactions
- None
51
5-a Reductase Inhibitors Warnings
No Boxed Warning, Hazardous Drug (special handling and disposal), Contraindicated in pregnant women or women of child bearing age
52
5-a Reductase Inhibitors Patient Counseling
- Patients should not give blood while taking or for up to 6 months after stopping (Concerns over transfusion to a pregnant patient) - It will take 3 to 6 months to see symptom improvement
53
5-a Reductase Inhibitors Clinical Pearl
- Women who are pregnant or may become pregnant should avoid handling and touching this medication
54
a-1 Adrenergic Blocker
Tamsulosin (Flomax), Terazosin (Hytrin)
55
How do a-1 Adrenergic blockers work?
- Blockade of the alpha receptor allows for smooth muscle relaxation (Results in improved urine flow)
56
Uroselective a-1 Adrenergic Blocker
Tamsulosin; work in bladder and urethra
57
Unselective a-1 Adrenergic Blocker
Terazosin; works throughout body (all smooth muscle)
58
a-1 Adrenergic Blocker FDA Approved Indications
- Benign Prostatic Hyperplasia - Neurogenic bladder (tamsulosin only) - Ureteral stones (tamsulosin only) - Hypertension (terazosin only)
59
a-1 Adrenergic Blocker Adverse Effects
- Retrograde ejaculation - Rhinitis (Runny Nose) - Headache/Dizziness
60
a-1 Adrenergic Blocker Drug Interactions
- PDE-I | - Additional high blood pressure medications
61
a-1 Adrenergic Blocker Warnings
- No Boxed Warning | - Tamsulosin Only: Not intended for use in high blood pressure
62
a-1 Adrenergic Blocker Patient Counseling
- Rise slowly from sitting and lying positions (orthostatic hypotension risk) - Tamsulosin only: Take 30 minutes after the same meal each day