Pharmacology Flashcards
What are the 4 administration techniques for asthma medications?
MDI (meter dose inhaler) Nebulizer (liquid med in machine) Inhaled powder (rotacaps, disc-inhaler) Systemic admin (ora or parenteral routes IV, IM, SQ)
Albuterol, Proventil, Ventolin Class MOA Onset/duration Route
Class: SABA
MOA: bronchodilator
Onset: 15 min before activity or for acute attacks
Duration: 4-6 hours
Route: inhalation (can do IV but no advantages)
How do the sympathomimetics bronchodilators (beta-2 agonists) work?
- produce airway dilation
- vasodilation of smooth muscle in lungs!!!
- improve mucocilliary transport
- stimulate beta-andrenergic receptors
What are the SABA used for?
- prevention of exercise induced bronchospasm (asthma)
- help with ACUTE attacks
- inhibit smooth muscle contraction
What are the LABA used for?
Maintenance medication
inhibit smooth muscle contraction
NOT for acute attacks
Do NOT use alone, need to use with ICS
Levalbuterol (Xopenex) Class MOA Onset/duration Route
class: SABA MOA: bronchodilator --inhibit smooth muscle contraction Onset: less than 5 min Duration 6-8 hours Route: nebulizer
Salmeterol (Serevent) Class MOA Onset/duration Route Uses
Class: LABA MOA: bronchodilator --inhibit smooth muscle contraction Onset: 20 min Duration: 12 hours Route: diskus Uses: asthma/bronchospasm
Formoterol (Foradil) Class MOA Onset/duration Route Uses
Class: LABA MOA: bronchodilator--inhibit smooth muscle contraction Onset: 20-30 min Duration: 12 hours Route: inhaler Uses: asthma
Ipratropium (Atrovent) Class MOA Onset/duration Route Uses
Class: anticholinergic MOA: anticholinergic, reverses acetylcholine-induced bronchospasm (inhibiting parasympathetic nervous system) --inhibit smooth muscle contraction Onset: ? Duration: Q6 Route: inhaler Uses:bronchospasm for COPD
Parasympathetic vs. sympathetic in asthma. What does what and what are you inhibiting/stimulating?
Parasymphathetic = constricts the airway, so want to inhibit acetylcholine
Sympathetic = opens the airways, so you want to stimulate the beta-2 receptors
So: either can stimulate sympathetic and or inhibit the parasympathetic
Tiotropium (Spiriva) Class MOA Onset/duration Route Uses
Class: anticholinergic MOA: reverses acetylcholine induced bronchospasm (parasymp)--inhibit smooth muscle contraction Onset: ? Duration: 24 hours Route: diskus Uses: bronchospasm w/ COPD
Theophylline (Theo-Dur) Class MOA Route Uses Monitoring
Class: methylxanthine
MOA: prevents and/or reverse inflammation
Route: liquids, tablets, capsules
Uses: maintenance therapy -moderate–severe asthma, COPD
Monitoring: small TI, blood draws, can be toxic
Fluticasone (Flovent) Class MOA Onset/duration Route
Class: ICS
MOA: prevent, reverse inflammation
Onset/duration: 2-4 weeks
Route: inhaler
Budesonide (Pulmicort) Class MOA Onset/duration Route
Class: ICS
MOA: prevent, reverse inflammation
Onset/duration: 2-4 weeks
Route: Flexhaler, (nebulizer for kids)
Beclamethasone (Vanceril, Beclovent, QVAR) Class MOA Onset/duration Route
Class: ICS
MOA: reverse, prevent inflammation
Onset/duration: 2-4 weeks
Route: inhaler
Thiamcinolone (Azmacort) Class MOA Onset/duration Route
Class: ICS
MOA: reverse, prevent inflammation
Onset/duration: 2-4 weeks
Route: inhaler
Flunisolide (Aerobid) Class MOA Onset/duration Route
Class: ICS
MOA: reverse, prevent inflammation
Onset/duration: 2-4 weeks
Route: inhaler
Advair (salmeterol + fluticasone) Class MOA Onset/duration Route
Class: LABA + ICS
MOA: reverse, prevent inflammation and smooth muscle relaxation
Onset/Duration: maintence med
Route: diskus
Dulera (mometasone + formoterol)
Class
Onset/duration/uses
Route
Class: ICS + LABA
Used: maintenance med
Route: inhaler
Symbicort (budesonide + formoterol)
Class
Use
Route
Class: ICS + LABA
Used: maintenance med
Route: inhaler
Combivent (Ipratropium + albuterol)
Class
use
route
Class: ATC + SABA
Use: maintenance med
Route: inhaler or nebulizer
Cromolyn (Intal) Class MOA Onset/duration Route used
Class: mast cell stabilizer (MCS) MOA: prevent, reverse inflammation Onset/duration: 4-6 weeks Route: nasal or nebulizer used: prophylaxis
Nedocromil (Tilade) Class MOA Onset/duration Route used
Class: MCS MOA: prevent, reverse inflammation Onset/duration 4-6 weeks Route: inhalation and neb used: prophylaxis
What do MCS prevent?
release of inflammatory mediators (histamine) from mast cells, macrophages, neutrophils, and eosinophils
Montelukast (Singulair) Class MOA Onset/duration Route CI
Class: Leukotriene inhibitor MOS: competitive agonist of leukotriene receptors = prevent, reverse inflammation Onset/duration: 1-3 hours Route: po CI: p-450 inhibitor!!!!
Asfrilukast (Accolate) Class MOA Onset/duration Route
Class: leukotriene inhibitor
MOA: competitive agonist of leukotriene receptors = prevent, reverse inflammation
Onset/duration: 1-3 hours
Route: po
Zileuton (Zyflo) Class MOA Onset/duration Route
Class: BLOCKS leukotriene production MOA: blocks leukotriene production onset/duration: 1-3 hours route: pa REMEMBER that this med, still is a leukotriene inhibitor, but it BLOCKS the production of leukotrienes, while the other two are competitive antagonists
Diphenhydramine (Benadryl), Atarax
Class
Indications
AE
Class: 1st gen antihistamine (more cross BBB and produce more sedation and other CNS effects)
Indications: Type I allergies = urticaria, pruritus, conjunctivitis, angioedema, sneezing, rhinorrhea
AE: drowsiness, anticholinergic effects
What are anticholinergic effects?
no shit, spit, pee, see
dry mouth, blurred vision, urinary hesitancy, constipation, confusion, mental cloudiness
Loratadine (Claritin)
Class
Indications
AE
Class: 2nd generation antihistamine
Indications: itching, sneezing, rhinorrhea, long-lasting, non-drowsy (seasonal AR)
AE: anticholinergic effects (less than 1st generation)
Fexofenadine (Allegra)
Class
Indications
AE
Class: 2nd generation antihistamine
Indications: itching, sneezing, rhinorrhea, long-lasting, non-drowsy (seasonal AR)
AE: anticholinergic effects (less than 1st generation)
Cetirizine (Zyrtec)
Class
Indications
AE
Class: 2nd generation antihistamine
Indications: itching, sneezing, rhinorrhea, long-lasting, non-drowsy (seasonal AR)
AE: anticholinergic effects (less than 1st generation)
Pseudoephedrine (Sudafed) oral (wean 7-10 days)
Pseudoephedrine (Afrin) intranasal (not used over 3 days)
Class
MOA
SE
CI
Class: nasal decongestant
MOA: alpha-adrenergic agonist– vasoconstriction to nasal mucusa (no help with itching, sneezing or nasal secretion)
SE: HA, Nervousness, irritability, tachy, palpitations, insomina
CI: HTN, CVD, Hyperthyroidism, glaucoma, CO USE WITH MAOIs = malignant HTN
Fexofenadine and pseudo (Allegra-D)
Class
SE
Class: 2nd gen antihistamine, nasal decongestant
non-sedating
SE: (from decongestant = HA, nervousness, irritability, tachy, palpitations, insomnia)
Loratadine and pseudo (Claritin-D)
Class
SE
Class: 2nd gen antihistamine, nasal decongestant
non-sedating
SE: (from decongestant = HA, nervousness, irritability, tachy, palpitations, insomnia)
Cetirizine and pseudo (Zyrtec-D)
Class
SE
Class: 2nd gen antihistamine, decongestant
non-sedating
SE: (from decongestant = HA, nervousness, irritability, tachy, palpitations, insomnia)
Cromolyn sodium ( Nasalcrom) Class MOA effects use
Class: MCS–reduces release of histamine and other mediators
Efffects: reduces nasal pruritus, sneezing,rhinorrhea and congestion
use: intranasal spray
prophylactic use (q4 hours) good when don’t want to use steroids
Fluticosone proprionte (Flonase) Class MOA Effects Onset AE
Class: intranasal glucocorticoid
MOA: effective for inflammation of AR – interfere with ag-ab reaction reducing mast cell degranulation, inflammation, mild vasoconstrictor, reduce intracellular edema, suppress neutrophil chemotaxis
Effects: reduce nasal blockage, pruritus, sneezing, rhinorrhea
Onset: 1-3 days, up to 3 weeks
AE: nasal irritation/bleeding, septum perforation
Mometason (Nasonex) Class MOA Effects Onset AE
Class: intranasal glucocorticoid
MOA: effective for inflammation of AR – interfere with ag-ab reaction reducing mast cell degranulation, inflammation, mild vasoconstrictor, reduce intracellular edema, suppress neutrophil chemotaxis
Effects: reduce nasal blockage, pruritus, sneezing, rhinorrhea
Onset: 1-3 days, up to 3 weeks
AE: nasal irritation/bleeding, septum perforation
Beclomethasone diproprionate Aqueous (Beconase) Class MOA Effects Onset AE
Class: intranasal glucocorticoid
MOA: effective for inflammation of AR – interfere with ag-ab reaction reducing mast cell degranulation, inflammation, mild vasoconstrictor, reduce intracellular edema, suppress neutrophil chemotaxis
Effects: reduce nasal blockage, pruritus, sneezing, rhinorrhea
Onset: 1-3 days, up to 3 weeks
AE: nasal irritation/bleeding, septum perforation
Budesonide (Rhinocort, Rhinocort Aqua) Class MOA Effects Onset AE
Class: intranasal glucocorticoid
MOA: effective for inflammation of AR – interfere with ag-ab reaction reducing mast cell degranulation, inflammation, mild vasoconstrictor, reduce intracellular edema, suppress neutrophil chemotaxis
Effects: reduce nasal blockage, pruritus, sneezing, rhinorrhea
Onset: 1-3 days, up to 3 weeks
AE: nasal irritation/bleeding, septum perforation
Flunisolide (Nasarel) Class MOA Effects Onset AE
Class: intranasal glucocorticoid
MOA: effective for inflammation of AR – interfere with ag-ab reaction reducing mast cell degranulation, inflammation, mild vasoconstrictor, reduce intracellular edema, suppress neutrophil chemotaxis
Effects: reduce nasal blockage, pruritus, sneezing, rhinorrhea
Onset: 1-3 days, up to 3 weeks
AE: nasal irritation/bleeding, septum perforation
Triamcinolone acetonide (Nasacort AQ, Nasacort, Trinasal) Class MOA Effects Onset AE
Class: intranasal glucocorticoid
MOA: effective for inflammation of AR – interfere with ag-ab reaction reducing mast cell degranulation, inflammation, mild vasoconstrictor, reduce intracellular edema, suppress neutrophil chemotaxis
Effects: reduce nasal blockage, pruritus, sneezing, rhinorrhea
Onset: 1-3 days, up to 3 weeks
AE: nasal irritation/bleeding, septum perforation
Ipratroprium Bromide (Atrovent) intranasal and Nontelukast (Singular) what do these meds also do?
Atrovent reduces release of substance P, good for runny nose
singulair is not first line therapy, but helps with runny nose and congestion
both are ok if pts not getting relief from INGC
Azelastine (Optivar)
Class
MOA
use
Class: MCS
MOA: inhibits histamine release from mast cells
Use: eye allergies
Oloptadine (Patanol)
Class
MOA
Use
Class: MCS
MOA: inhibits histamine release from mast cells
Use: eye allergies
Naphazoline/pheniramine (Opcon-A)
Class
MOA
Uses
Class: naphazoline is sympathomimetic which decreases congestion
pheniramine is a antihistamine MCS
Used: eye allergies