Respiratory Drugs Flashcards
Respiratory drugs are commonly used to?
Control the symptoms of respiratory tract disease by restoring normal function
Normal respiratory tract anatomy’s & physiology includes?
- Nasal Cavity
- Pharynx
- Larynx
- Trachea
- Bronchi
- Bronchioles
- Alveoli
Functions of the respiratory tract?
- Oxygen & Carbon Dioxide Exchange
- Body Temperature Regulation
- Voice Production
Maintenance of the respiratory tract?
The environment within the respiratory tract must be highly humid & free of foreign objects.
1. Nasal Hairs - Filters out large particles
2. Nasal Turbinates (Concha) - Traps small particles & warms/humidifies the outside air
3. Mucociliary Clearance - Traps small particles in mucus & than are excreted by a wavelike action of the cilia
4. Coughing & Sneezing - Expel foreign debris forcefully
5. Laryngospasm & Bronchoconstriction - Prevent introduction of foreign debris into the respiratory tract
Antitussive drugs are?
Drugs that block the cough reflex
What are the two types of antitussives used in vet med?
- Centrally Acting Antitussives
- Locally Acting Antitussives
Centrally acting antitussives work by?
Suppressing the cough center in the central nervous system
Locally Acting Antitussives work by?
Preventing irritation to the respiratory tract
*Cough Drops
Opioid Analgesic Antitussive Drugs are what type of antitussive?
Centrally acting cough suppressants
Common opioid analgesic antitussives drugs used in vet med?
- Butorphanol
- Hydrocodone
- Dextromethorphan
- Codeine
Butorphanol is what type of antitissuvie?
Opioid analgesic antitussive
Centrally acting cough suppressant
Is Butorphanol a controlled drug?
yes
Butorphanol effects?
Centrally acting cough suppressant
Causes little sedation at antitussive dose
Hydrocodone is what type of drug?
Opioid Analgesic Antitussive Drug
Hydrocodone effects?
Centrally acting cough suppressant
May cause sedation
May cause constipation
Provides analgesia
*Controlled drug