Respiratory Drugs Flashcards
Short-acting Beta Agonists (SABA)
Albuterol and Levalbuterol
SABA - MoA
Incr. cAMP > PKA > Phos. MLCK > decr. contraction
Long-acting Beta Agonists (LABA)
Salmeterol
Formoterol
LABA - adverse effects
headache, throat irritation,
death, if used without a corticosteroid
Muscarinic antagonists
Ipratropium (short-acting)
Tiotropium, Aclidinium (long-acting)
Muscarinic antagonist - MoA
Block M3 receptors, bronchocontriction is inhibited
Musc. antagonists - adverse
Dry mouth, headache
Caution: glaucoma, prostate hypertrophy, myasthenia gravis
Corticosteroids
-one
Steroids - MoA
alter gene transcription, leading to less inflammation
Steroids - adverse effects
pneumonia, oral thrush, voice change, osteoporosis, cataracts
interaction w/ ritonavir - leads to cushing syndrome
Leukotriene inhibitors
Montelukast (LTE receptors)
Zileuton (blk leukotriene synth)
Leukotriene inhibitors - adverse effects
Churg-strauss, liver dysfunction
Methylxanthines
Theophylline
Caffeine
Methylxanthines - MoA
PDE inhibition, inhibits adenosine binding, activates histone deacetylase
Methylxanthines - adverse
Significant tachycardias, nausea/vomiting, and seizures
Anti-IgE - anti-Ab
Omalizumab
Anti-IL5 receptor
Mepolizumab
Anti-IgE - indications
moderate-severe asthma, high IgE levels, allergies
Anti-IL5 - indications
moderate-severe asthma, high eosinophil count
Anti-IgE, Anti-IL5 - adverse
local site rxns, anaphylaxis
COPD - treatment
Same except no leukotriene inhibitors
Also, PDE4 inhibitors
PDE4 inhib (COPD)
Roflumilast
PDE4 inhib- MoA
increase cAMP, leading to anti-inflammatory effects
PDE4 inhib- adverse
GI upset, diarrhea, weight loss