Test 4 - Pulm Flashcards
Drugs to treat ashtma
Beta 2 agonists - sympathomimetic agents Theophylline (methylxanthines) Antimuscarinic agents Corticosteroids Leukotriene pathway inhibitors
B2 agonist MOA
Bind to b2 receptors on smooth muscle — activates AC to yield CAMP which relaxes bronchial and tracheal smooth muscle
Short acting b2 agonists
Albuterol and levalbuterol
Long acting b2 agonists
Advair - salmeterol/fluticasone
Symbicort - Formoterol/budenoside
SABA duration of action
4 hours
Max bronchodilation with SABA achieved after ___________ of inhalation
15 minutes
This Saba is a purer form and causes less tachycardia
Levalbuterol
Salmeterol/Formoterol duration of action
12 hours - 2x a day dosing
Salmeterol/Formoterol always used in combo with a _____________
Corticosteroid
Sympathomimetic (b2) AE
Transient tachy, palpitations, tremor, excitability, headache, hypokalemia
Theophylline is given _________
Orally
Theophylline requires _______________
Therpeutic drug monitoring
Due to side effects and newer agents, Theophylline is now used as an add-on for
Maintenance therapy in refractory disease
Short acting antimuscarinic
Ipatropium (atrovent)
Long acting antimuscarinic
Tiotropium (spiriva)
Ipratropium is given via inhalation route for ___________
Acute episodes of asthma