Respiratory Drugs Flashcards
What drugs are used to improve airway patency? (2)
- Bronchodilators
- B2 agonist
- Anticholinergic (prevent muscle constriction) - Anti-inflammatory
- Corticosteroid
What is used to prevent mast cell degranulation? (2)
- Chromoglycate
2. Leukotriene Receptor Antagonist
Name drugs that impair ventilation (2)
- B blockers
- Respiratory depressants
- Benzodiazepines
- Opioids
Drugs used to improve gas exchange (2)
- Respiratory Stimulants
- Theophyllines - O2
How is inhaled drug delivery given?
- Meter Dose Inhaler (MDI)
- Breath Activated Device
- Spinhaler
- Turbohaler
What is used for when someone with an acute asthma attack?
A nebuliser is a good way to get high conc of O2 into lungs
Different types of B agonists (2)
- Short acting
- Blue inhaler - Long acting
- Green inhaler
How long do short acting B agonists act?
- Quick onset 2-3mins
2. Last 4-6hrs
Route of administration for short acting B agonists (3)
- Inhaled
- Oral
- Intravenous
What are short acting B agonists used to treat?
- Used to treat Acute Bronchial Constriction
2. Used to inhibit premature labour + acute asthma
How long do long acting B agonists act?
- Slow onset 1-2hrs
2. Last 12-15hrs
Route of administration for long acting b agonists
Inhaled
What are long acting B agonists used to prevent?
Used to prevent Acute Bronchial Constriction
- Always use with an inhaled steroid
What colour are anticholinergics inhalers?
Ipatropium - Grey
Function of corticosteroids
Reduce inflammation in the bronchial walls
- Effective topically or systemically
Brown, orange, pink inhalers
What is a compound preparation?
Inhaled steroid with long acting B agonist
- Seretide
Name an example of a mast cell stabiliser
Chromoglycate
How does Chromoglycate work?
Stops mast cells from degranulating which prevents an asthma attack
