Pharmacy Flashcards
What is First-pass metabolism?
First metabolism in the liver, decreasing the amount that reaches the brain or other organs
What is MOA of montelukast?
Leukotriene receptor antagonist
What medication for asthma has the action of causing smooth muscle relaxation by inhibiting phosphodiesterase?
theophylline
ACE-inhibitors are associated with what fetal abnormalities?
1st trimester - cardiovascular and neural tube defects
2nd/3rd trimester - renal anomalies, oligo, IUFD, renal failure
What is the difference between SJS and TEN?
SJS <10% epidermal detachment
TEN >30% detachment
How is phenobarbitol used in hyperbilirubinemia?
Increases hepatic glucuronyl transferase activity and conjugation of bilirubin, enhances hepatic uptake of bilirubin
Treatment with erythromycin or azithromycin in young infants for postexposure prophylaxis or treatment of pertussis is associated with what?
infantile hypertrophic pyloric stenosis
Which LABA should be used in conjunction with ICS for SMART asthma therapy?
Formoterol - rapid onset of action in compared to salmeterol
What is the timeline for DRESS?
Most reactions are between 2-6 weeks after starting the drug, but can be up to 12 weeks