XANTHINE DERIVATIVES

Question 1

Xanthine derivatives

Answer 1

Theophylline

Question 2

Xanthine derivatives function

Answer 2

-Cause bronchodilation by relaxing smooth muscle in the airways
-Result: relief of bronchospasm and greater airflow into and out of the lungs
-Causes CNS stimulation
-Oral or IV

Question 3

Xanthine derivatives adverse effects

Answer 3

-Nausea, vomiting, anorexia
-Gastroesophageal reflux during sleep
-sinus tachycardia, extrasystole, palpitations, ventricular dysrhythmias
-Transient increased urination (because of increased blood flow to kidneys)
-Hyperglycemia

Question 4

Xanthine derivatives indications

Answer 4

-Mild to moderate cases of acute asthma
-Adjunct drug in the management of COPD
-Causes dilation of airways in asthmas, chronic bronchitis, and emphysema
-Not used as frequently because of potential for drug interactions and variables related to drug levels in the blood

Question 5

Xanthine derivatives priority nursing implications

Answer 5

Avoid caffeine
Asses other meds patients may be taking
oral or IV so take as scheduled (continous)