Prototype drug unit 8 & 9- Dextromethorphan Flashcards
1
Q
Classification
A
Antitussive (cough suppressor)
Levorphanol derivative
2
Q
What is it used for
A
Cough
3
Q
How does it work?
A
acts directly on the cough center in the medulla to elevate the cough threshold.
4
Q
Adverse effects
A
Sedation and dizziness, headache, and GI upset (consitpation)
5
Q
Contraindicaitons
A
Should be used cautiously with people who have liver probs
6
Q
Drug interactions
A
MAOIs, trptans, or SSRIs should not be taken because they can cause serotonin syndrome (nausea, changes in BP, and confusion)
Alcohol, antihistamines, antidepressants, and opioids= additive CNS depression
7
Q
Herbal/food interactions
A
Grapefruit can cause toxicity
