asthma copd inhalers Flashcards
MDI counseling points
-need to prime (prime 4x b4 use)
-inhale slowly, deeply
-normally shake (UNLESS if solution then DONT shake)
-if need to shake, shake 10 to 15 times
-can use a spacer
solution MDI so don’t shake: alvesco, atrovent
respimat: soft, mist
DO NOT SHAKE
P-TOP
~prime it
~turn it
~open it
~press it
DPI counseling points
-inhale quickly and deeply (to pull into lungs)
-do NOT shake
-all are contraindicated in milk protein allergy
-store at room temp in a dry place
-do NOT exhale into the container
-single dose devices require placement of a capsule into the device immediately before each treatment (ex: indacaterol - arcapta neohaler, tiotropium - spiriva handihaler, indacaterol + glycopyrrolate - utibron)
asthma medication triggers
NSAIDs (including ASA) and beta blockers
albuterol dosage forms
-MDI
-DPI
-Nebulization
-Syrup
-Tablets (ER, IR)
albuterol: MDI examples
-ventolin HFA
-Proventil HFA
-ProAir HFA
albuterol: DPI examples
-ProAir RespiClick
levalbuterol (forms)
xopenex (R-isomer of albuterol)
xopenex HFA, MDI
xopenex nebulization
terbutaline (forms)
oral
injectable (SQ/IV)
beclomethasone (forms)
breath-actuated aerosol inhaler
QVAR redihaler, MDI
NO SPACER
budesonide (forms)
pulmicort flexhaler (DPI)
pulmicort respules (contains liquid for nebulizer)
mometasone (forms)
asmanex HFA, MDI
asmanex twisthaler DPI
fluticasone (forms)
flovent HFA (MDI)
flovent diskus (DPI)
arnuity ellipta (DPI)
ciclesonide (forms)
alvesco (MDI)
*prodrug requires hydrolyzation in the lung to form the active metabolite
*MDI BUT IS A SOLUTION –> DO NOT SHAKE
flunisolide (forms)
aerospan HFA (D/C’ed)
systemic steroids for acute tx of asthma
(along with a SABA)
-oral prednisone: 40 - 60mg QD x3 - 10 days
-dexamethasone: 16mg/d PO QD x1 - 2 days
-methylprednisolone (medrol dose pack): Taper 24 to 0 mg PO over 6 days. Start with 6, 5 –> 1mg (all tabs are 4 mg, total of 21 tabs)
-rayos (delayed release prednisone): QHS; coated to delay drug about 4 hr after the dose is taken
oral prednisolone formulations
-millipred: 10mg/5 mL, 5 mg tablet
-prelone: 5mg/5 mL, 15 mg/5 mL; contains 5% alcohol
-veripred 20: 20 mg/5 mL solution; REFRIGERATE
-generic: 15mg/5 mL
-orapred: 10, 15, 30 mg ODT
*administer with food or milk to decrease GI upset
*prednisone is a prodrug to prednisolone
salmeterol (forms)
[salmeterol is a CYP3A4 substrate]
-serverent diskus: 1 puff 30 to 60 minutes before exercise
-if includes fluticasone = Advair (Diskus / HFA)
*also approved for maintenance of COPD
-if includes fluticasone = AirDuo RespiClick (DPI)
formoterol (forms)
-formoterol + budesonide (Symbicort)
-formoterol + mometasone (Dulera)
*drug interactions:
-beta blockers may reduce efficacy
-theophylline, caffeine, thiazides, loop diuretics may increase
-beta-agonist-induced decreased K
montelukast (forms)
-singulair: tabs, chewable tabs, granules packet (if mixed, use within 15 minutes)
*indications: asthma, allergic rhinitis (seasonal or perennial), prevention of exercise-induced asthma (must be taken 2 hours before exercise)
10mg QHS: >/= 15 years old
5mg QHS: 6 - 14 years old
4mg QHS: 2 - 5 years old
4mg granules: 6 months - 23 months (QD)
*chewable tab has phenylalanine
*watch for mood and behavioral changes
*restlessness is a side effect
zafirlukast (forms)
-accolate: tabs
*indication: prophylaxis/chronic treatment of asthma
Dose:
-if >/= 12, 20 mg BID on an empty stomach (1 h ac or 2 h pc)
-if 5 - 11, 10 mg BID on an empty stomach
Drug interactions:
-major CYP2C9 substrate / inhibits 2C9
-theophylline may decrease accolate levels
-accolate increases warfarin levels: monitor INR
Caution:
-hepatotoxicity
zileuton (forms)
zyflo, zyflo CR (IR, ER tabs)
Indication: asthma for patients >/= 12
omalizumab
Xolair: subQ (IgG1k mAb)
Indications:
-allergic asthma: >/= 6 years
-chronic idiopathic urticaria (hives): >/= 12 years
*not used for the tx of acute asthma
reslizumab
meplizumab
benralizumab
(forms)
interleukin-5 receptor antagonists
reslizumab (cinqair): IV in NS (IV q4 weeks)
meplizumab (nucala): subQ (subQ q4 weeks)
benralizumab (fasenra): subQ (subQ q4 weeks), then q8 weeks thereafter
theophylline (forms)
elixophyllin: elixir
theo-24: ER caps, QHS
theochron ER-12H: ER tabs
-MOA: phosphodiesterase inhibitors
-MAX = 900mg/d
-DI: strong cyp1a2 substrate & minor 3a4 substrate
-also in IV
Therapeutic levels:
-Children: 5 - 10 mcg/ml
-Adults: 5 - 15 mcg/ml