cough and rhinitis Flashcards
What are the opiods
Codeine
Dextromethorphan
What is the Mycolytic agent
N-acetylcysteine (NAC)
1st gen H1 antagonists
Diphenhydramine
Chlorpheniramine
2nd gen H1 antagonists
Loratadine
Fexofenadine
Cetirizine
What are the alpha agonists
Phenylephrine
Pseudoephedrine
How do opioids act as antitussives
Depress CNS cough center sensitivity to peripheral stimuli (low dose)
When are opioids administered
Severe cough that disrupts sleep
What is the benefit of using Dextromethophan over codeine
No analgesic or addictive potential
Less constipating
How does NAC work
Break disulfides in mucus
Easier to cough it out
When is NAC administered
CF
Acetaminophen OD
When are H1 antagonists administered
Allergic rhinitis
What do alpha agonists do
Constrict dilated arterioles
How is the alpha agonist effect different when aerosol
Rapid onset
Few systemic side effects
When are alpha agonists administered
Rhinitis
What is the effect of prolonged alpha agonist use
Rebound nasal congestion after discontinuation
