12. Pulm Pharm Flashcards
wt % of inhaled drugs reach lower airways?
10-20%
1st line tx to reverse astham/bronchospasm?
2 drug names?
AEs?
selective B2 agonist
albuterol, levabuterol
tremor, restlessness, tachypnea, hypokalemia
short acting B agonist if 1st line not working?
MOA?
use?
AEs?
epinephrine
a1/2, b1/2 agonsit
asthma/bronchospasm
palpitation, pale, sweating, tremor
wt does overuse of b2 agonist indicate? wt is needed?
worsening asthma
better anti-inflammatory
prophylaxis tx for asthma and COPD?
suffix?
wt must be administered aswell?
AE?
LABA
-terol
corticosteroids
increase risk of asthma related deaths
2 muscaric receptor antagonists?
use?
AEs?
ipratopium, tiotropium
COPD prophylaxis
bitter taste, dry mouth, glaucoma etc.
MOA of theophylline?
metabolism?
Toxicity?
inhibit PDE
CYP450
does dependent -arrhythmias, seizure
wc airway drug may require weeks to become fully affected? name 1
use?
synergism?
AEs?
Corticosteroids beclomethasone asthama upregulate B2 receptor local adverse effects - dysphonioa, cough, candidiasis
suffix for LK receptor antagonists?
when to use?
AE?
-lukast
if pts cannot tolerate corticosteroids (kids)
hepatotoxicity
name of 5-lipoxygenase inhiitor?
Zileuton
MOA of omalizumab?
AE?
use?
inhibits IgE binding on mast cells
anaphylaxis
severe asthma not controlled by steroids
MOA of alpha-1-proteinase inhibitors?
reduce elastase
cough drug that can have hallucinaiton?
MOA?
dextromethorphan
NMDA receptor
wt class of drug is N-acetylcysteine?
MOA?
4 indications?
mucolytic
sulfhydryl gorup lowers viscosity
COPD, acetaminophen OD, CF, Chronic respiratory disease
MOA of Dornase Alpha?
use?
AE?
DNase that reduces viscosity by breaking extracellular DNA molecules
CF
Dyspnea