dextromethrophan

Question 1

what is the classification of dextromethrophan

Answer 1

Levorphanol derivative (antitussive)

Question 2

what is the trade name for dextromethrophan

Answer 2

Robitussin, PediaCare, Vicks 44, Benylin Pediatric

Question 3

what is the pharmacotherapeutic (use) for dextromethrophan

Answer 3

chronic nonproductive cough

Question 4

what is the onset of dextromethrophan

Answer 4

usually seen in 15- 30 minutes

Question 5

how is dextromethrophan administered

Answer 5

orally

Question 6

what is the pharmacodynamics of dextromethrophan

Answer 6

• directly affects the cough center in the medulla
• related chemically to narcotic agonist and suppresses coughs as effectively as narcotics, thus secretions may be retained. ciliary activity not affected

Question 7

what are the C/I and precautions of dextromethrophan

Answer 7

chronic coughs resulting from emphysema and asthma

Question 8

what are the A/E of dextromethrophan

Answer 8

N/V, drowsiness, dizziness, irritability, and restless if taken with citrus juices

Question 9

what are the D/I of dextromethrophan

Answer 9

MAOSs, fluxetine, quinidine, and sibutramine

Question 10

what health status would you assess with dextromethrophan

Answer 10

asses for contraindications to therapy

Question 11

what is the life span and gender of dextromethrophan

Answer 11

pregnancy category C

Question 12

how would you assess lifestyles, diets and habits with pts using dextromethrophan

Answer 12

advise not to drive or operate heavy equipment. assess frequency of grapefruit or orange juice ingestion as these increase concentration of dextromethrophan

Question 13

how would you assess the environment for pts taking dextromethrophan

Answer 13

assess environment where drug will be given. mostly given in home setting and is OTC

Question 14

what are the nursing Dx of dextromethrophan

Answer 14

risk for injury r/t sensory-perceptual alteration from drug-induced drowsiness and sedation
- desired outcome: pt will remain free from injury related to sedation and drowsiness

risk for ineffective airway clearance r/t suppression of cough reflex
- desired outcome: pt will maintain his or her baseline respiratory function

Question 15

how do you miximize the therapeutic effects of dextromethrophan

Answer 15

in acute or long-term care setting, administer dextromethrophan at evenly space intervals to maintain blood levels of the drug at steady state

Question 16

how do you minimize adverse effects of dextromethrophan

Answer 16

• ensure that safety precautions are used, such as side rails and ambulation assistance
• assess respiratory status and movement of air periodically during drug use

Question 17

what are the patient and family education of dextromethrophan

Answer 17

• emphasize that sedation, drowsiness, and impaired orientation can occur
• caution patients who are taking certain antidepressants (will increase)

Question 18

what are the ongoing assessment and evaluations of dextromethrophan

Answer 18

monitor the effect of dextromethrophan on the patient’s motor control, sedation, and respiratory status