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Pharmacology > Respiratory > Flashcards

Flashcards in Respiratory Deck (19):
1

Use of antihistamine

Allergy
Motion sickness
Insomnia
Parkinson's disease
Treat EPS s/s

2

Side effects of antihistamines
& toxic effects

Sedation (most common)
Non sedative CNS effects
GI
Anticholinergic effects
Cardiac

Toxic: CNS, hallucinations, ataxia, confusion

3

Nursing implications for antihistamine

Admin with meals
Assess s/s of toxicity
Safety
Teach: otc meds
-- aware of different onsets
Drug interactions

4

Antitussives (cough suppressants) MOA

Affects the cough center in the medulla, decrease the sensibility of the cough center to incoming stimuli

5

Side effects of antitussives

N/v
Drowsiness
Dizziness

Vasoconstriction
(In nose - open airways

6

Nursing implications of anti tussives
And examples

Decreases cough *
Be careful with other drugs that cause sedation
Drug interactions
Safety
No food
Not longer than a week
Some may have codeine--> constipation

Examples: cough syrups, cough drops

7

Expectorants MOA

Liquidity lower resp. Secretions, decreasing viscosity
Reduces surface tension and adhesive was of mucus

8

Expectorants side effects and nursing

S/E: GI

NURSING: teach non medication
Assess nature of cough
Give its meals
Do not use more than one week
Careful with asthma
*diabetics: sugarless

9

Examples of expectorants

Mucolidics: (mucomyx) COPD, CF, inhalers, nebs

*mobilize secretions

10

Two types of decongestants ?

Systemic or topical

11

Systemic decongestant MOA and use

Increases alpha 1
MOA: stimulates alpha 1 receptors, onset 15-30 minutes

Use: allergic rhinitis
Sinusitis
Allergies

12

Side effects and example of

Most common: CNS stimulation
(Dizzy, fatigue, sedation)

Example: sudafed

13

Topical decongestants MOA and use

MOA applied directly to nasal mucus stimulates alpha 1- vasoconstriction
*peaks in minutes - immediate relief

Use: sinusitis
Rhinitis
Open eustacian tubes

14

Side effects and nursing implications

Side effects: few, careful for rebound nasal congestion

NI: assess for direct interactions
Sns effects
Aware of OTC Meds

Ex: all nasal sprays

15

Bronchodilators (albuterol)

MOA And use and nursing

MOA directly binds to B2 receptors

Used in treatment of asthma and COPD

**give bronchodilator prior to steroid inhaler

*need to rinse mouth before and after use of

16

Respiratory anticholinergic agents
(ATROVENT)

MOA

Blocks action of Ach, stopping bronchi construction

-treat bronchi spasm

17

Xanthine derivatives
(Theophylline)
(Amanphylline)

MOA
Levels
Use

MOA exacts mechanism is unknown
Levels: 10-20
Use: prevention of bronchial asthma, and bronchospasm with COPD

18

Side effects & nursing
For xanthine derivatives
(Theophylline)

Side effects: GI CNS directly related to serum levels
Nursing:

19

MOA of antihistamines (H1 blockers)

Blocks the action of h1 receptor site in small blood vessels, smooth muscle, peripheral nerves, exocrine glands

-vasoconstrictor (careful with HTN)
-bronchodilator
-suppress exocrine gland secretion
-decrease capill permeability