Drugs for Respiratory Disorders: Part 2 Flashcards
Glucocorticoids are the..
Most effective anti-asthma drugs
Routes of glucocorticoids
IV
Oral
Inhaled
Are steroids emergency drugs?
NO but they go in and stop the inflammation that probably started the attack in the first place
Steroids mechanism of action
Suppress inflammation
Decrease mucus production
Increase number of bronchial Beta2 receptors and responsiveness to beta 2 agonists (1+1=2)
Uses in asthma
Prophylaxis!!
Fixed schedule, not PRN
Modes of steroid administration
Inhalation
Oral
Inhaled steroids
First0line therapy taken every day
Moderate - severe asthma
Very safe
Oral steroids
For severe asthma
Risk for toxicity of oral steroids increases with…
Duration of use
Oral steroids are used when..
Symptom control inadequate with other meds
If your patient is on steroids, they are not…
A happy healthy asthmatic
_____ steroids will have fewer side effects
Inhaled
Adverse effects of inhaled glucocorticoids
Adrenal suppression
Bone loss
Oropharyngeal candidiasis (thrush)
Dysphonia (hoarseness)
How to minimize adverse effects of inhaled glucocorticoids
Gargle after administration
Use a spacer
How do glucocorticoids cause hoarseness?
Because of tissue breakdown on vocal cords
Oral glucocorticoids will have no adverse effects when…
Used acutely (< 10 days)
Prolonged use of oral glucocorticoids can lead to…
Adrenal suppression Osteoporosis Hyperglycemia Peptic ulcer disease Growth suppression in children (slows growth)
Glucocorticoid / Beta 2 agonist combos
Advair diskus (indicated for patients with moderate to severe asthma)
Advair originally got a bad rep b/c..
People died when they first were taking it because they were trying to take it for emergencies
Cromolyn is used for..
PROHYLAXIS
What is Comolyn similar to?
Steroids - suppresses airway inflammation
(Does not work as well as steroids but has almost no adverse effects)
Random: Isuprel
Nonselective Beta 2 agonist
Uses of Cromolyn
Chronic asthma
Exercise induced bronchospasm
Allergic rhinitis
Cromolyn in the _____ of all asthma medications
Safest