Pulm Case Wrap-Up (Jaynstein) (Midterm) Flashcards
(122 cards)
Medications used for symptom control in a URI?
- Decongestants
- Pain and fever relievers
- Cough suppressants
- Cough expectorants
- Vitamins and supplements
Medications used for allergic rhinitis
- Antihistamines
- Intranasal corticosteroids
MOA for decongestants
- Directly stimulate alpha-adrenergic receptors of the respiratory mucosa causing vasoconstriction which reduces mucosal swelling and improves ventilation
- Directly stimulate beta-adrenergic receptors causing bronchial relaxation
S/E of decongestants
- Vasoconstriction and tachycardia can result in angina
- HTN
- Worsening of CV disease
- Increase in glycogenolysis and gluconeogenesis
- CNS stimulation
- Nervousness
- Insomnia
- Dizziness
- Drowsiness
- Urinary retention
Who should avoid taking decongestants
- Pts with HTN
- <6 YO
- During first trimester of pregnancy
Examples of decongestant medications and their duration of action
- Pseudoephedrine (Sudafed)
- Duration 4-6 hours
- 100% absorbed
- Phenylephrine (Sudafed PE)
- Duration 2-4 hours
- 30% absorbed
- Garbage medication that does not help most people
MOA cough suppressants/Antitussives
- Act at one of two sites
- Centrally on the medullary cough center
- Locally at the site of irritation
WHich cough suppressants act Centrally on the medullary cough center
- Dextromethorphan
- Opiates
- Benzonate (Tessalon)
- Does not cause drowsiness
- Many Pts report these do not help
Which cough suppressants act locally at the sight of irritation?
- Lozenges
- Viscous preparations
- Such as viscous lidocaine
- Menthol
- Camphor
What is dextromethorphan?
- A centrally acting D-isomer of codeine
- Lower addiction profile
S/E of dextromethorphan
- Serotonin syndrome
- Nausea
- Dizziness
- Drowsiness
Is dextromethorphan safe in pregnancy?
Yes
Who should avoid taking dextromethorphan?
- Pts on MAOIs
- Caution in Pts taking SSRIs but not contraindicated
Describe codeine
- Centrally acting
- High abuse potential
S/E of codeine
- CNS depression
- Respiratory depression
- Common allergen
Is codeine safe in pregnancy?
- Use with caution in pregnancy
- Category C
Benzonate (Tessalon) is?
- Centrally acting
- No addictive properties
S/E of Benzonate (Tessalon)
- Headache
- Dizziness
- Rarely causes drowsiness
Is Benzonate (Tessalon) safe in pregnancy?
Caution advised no data on safety profile
MOA of expectorants (mucolytics)
- Dissolve thick mucus
- Enhance airway clearing
- Promote cough
S/E of expectorants (mucolytics)
- Nausea
- Vomiting
- Rash
Are expectorants (mucolytics) safe in pregnancy?
Yes
Common expectorants (mucolytics)
- Mucinex
- Guaifenesin (Robitussin)
Who should avoid taking expectorants (mucolytics)?
- Children < 6 YO
- Guaifenesin may exacerbate nephrolithiasis