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Allergic rhinitis is a _______ _______
systemic disease
Allergic rhinitis is prominent in _________ _________
nasal symptoms
Triggers of allergic rhinitis (2)
indoor environmental allergens and outdoor environment allergens
Examples of indoor environmental allergens (4)
house-dust mites, cockroaches, mold spores, pet dander
Examples of outdoor environmental allergens (2)
pollen and mold pores
Phases of allergic rhinitis (4)
sensitization phase, early phase, cellular recruitment phase, late phase
What is included in the sensitization phase? (3)
following initial allergen exposure, IgE produced, no symptoms
What is included in the early phase? (3)
occurs within minutes of subsequent allergen exposure, release of mast cell mediators, release of inflammatory mediators
What is the release of mast cell mediators?
histamines, proteases (minor)
What is the release of inflammatory mediators?
prostagladines, leukotrienes
Within the cellular recruitment phase, ________ are attracted to ________ ________ and release more _________ ________
eosinophils; nasal mucosa: inflammatory mediators
The late phase begins ____ - ____ hours after _______ ______ and ________ _____
2-4 hours; allergen exposure; mucus hypertension
What are the 3 classification of allergic rhinitis?
intermittent (IAR), persistent allergic rhinitis (PER), and episodic (situational)
Intermittent symptoms occur _______OR _______
4 or less days per week; 4 or less weeks
Persistent allergic rhinitis symptoms occur _______ AND _______
more than 4 days per week; more than 4 weeks
Episodic is _____ ________ or __________ with potential allergen
on exposure; contact
What are the 6 symptoms of allergic rhinitis?
bilateral, paoxysmal sneezing, watery rhinorrhea, itching of the eyes, nose, and/or palate, nasal obstruction, and conjuvetivities
What are the 2 most prominent symptoms of allergic rhinitis?
itching of eyes, nose, and/or palate and conjuvetivitis
Systemic symptoms of allergic rhinitis (3)
fatigue, irritability, cognitive impairment
Exclusions to self-treatment
children under 12, symptoms of otitis media, sinusitis, bronchitis, and symptoms of undiagnosed or uncontrolled asthma
Steps of treat for allergic rhinitis are _______, ________, ________
avoidance; pharmacotherapy; immunotherapy
Uses of saline nasal sprays or drops (2)
moisten irritated mucosal membranes and loosen encrusted mucus
Ocean Premium Saline Nasal Spray
sodium chloride 0.65%
________ ________ relieves _______ ________ irritation and dryness. Use the _____ _____ with _______, and distilled, sterile, or boiled tap water
nasal irrigation; nasal mucosal; neti pot; saline
Active ingredients for intranasal corticosteroids (INCS) (5)
budesonide, fluticasone furoate, fluticasone propionate, mometasone furoate, triamcinolone acetonide
Mechanisms of action
inhibit multiple cell type and mediators and “stop the allergic cascade”
What are intranasal corticosteroids (INCS) used for?
itchy nose, sneezing, runny nose, congestion
itchy and watery eyes (fluticasone furoate, fluticasone propionate)
Adverse effects of intranasal corticosteroids
nasal discomfort or bleeding, sneezing, cough, and long-term use changes (vision, glaucoma, cataract formation, increased risk of infection, growth inhibition in children)
Can you use intranasal corticosteroids in pediatric patients? what can the ages 2, 4, and 6 take?
yes;
2 years and older: intranasal fluticasone furoate, momentasone furoate, triamcinolone aceate
4 years and older: intranasal fluticasone propionate
6 years and older: intranasal budesonide
Can you use intranasal corticosteroids in pregnant patients?
yes
Can you use intranasal corticosteroids in lactating patients?
yes
Rhinocort allergy spray (intranasal cortisteriods)
Budesonide 32mcg/spray
Flonase Allergy Relief (intranasal cortisteriods)
Fluticasone propionate 50mcg/spray
Do not recommend Flonase Allergy Relief to some with a ______ ______ since medication is not ______ ______
cat allergy; fast acting
Nasacort allergy 24 HR (intranasal cortisteriods)
Triamcinolone acetonide 55mcg/spray
Types of ORAL antihistamines (2)
first-generation (sedating, nonselective) and second-generation (nonsedating, peripherally selective)
Active ingredient of first-generation anti-histamines (3)
brompheniramine, chlorpheniramine, diphenhydramine
Characteristics of first-generation antihistamines (3)
high lipophilic, readily cross BBB, anticholinergic effects
Active ingredients of second-generation antihistamines (4)
fexofenadine, loratadine, cetirizine, levocetirizine
Characteristics of second-generation antihistamines (3)
large - protein-bound lipophobic molecules with charged side chains, do not readily cross BBB, NO anticholinergic effects
Active ingredients of TOPICAL antihistamines (1)
azelastine
Mechanism of action for antihistamines compete with ___________ at the __________ and ___________ histamine type 1 (H1) __________ _______
histamine; central; peripheral; receptor sites
Mechanism of action of antihistamine, they prevent _________-________ interaction and subsequent _________ _________
histamine-receptor; mediator release
ONLY _________-__________ antihistamines can ________ the release of mast cell mediators
second-generation; inhibit
What are the uses of antihistamines? (3)
itching, sneezing, running nose, NO effect on nasal congestion
Adverse effects with ORAL FIRST-generation in CNS (2)
depression (sedation, impaired performance) and stimulation (anxiety)
Adverse effects with ORAL FIRST-generation in anticholinergic effects (4)
dry eyes and mucous membranes (mouth, nose), blurred vision, urinary retention, constipation
Adverse effects with ORAL FIRSt-generation in photosensitizing (1)
sunscreen
Adverse effects with ORAL SECOND-generation (1)
possible sedation (cetirizine, levocetirizine)
Adverse effects with TOPICAL SECOND-generation in CNS (4)
possible sedation, bitter taste, nasal stinging/burning, drowsiness
Drug interactions with antihistamines (4)
amiodarone, CNS depressants, erythromycin, phenytoin, MAOIs
Food interactions with antihistamines are fexofenadine and _______ ______ must be separated by ________ hours
fruit juices; 2
Disease interactions (FIRST-generation)
narrow-angle glaucoma, acute asthma exacerbation, symptomatic prostatic hypertrophy
Can you use antihistamines in pediatric patients?
Not first-generation; Yes, second-generation (loratadine - first-line treatment); Yes Azelastine (6 years or older)
Can you use antihistamines in geriatric patients?
Not first-generation; Yes, second-generation (loratadine - first-line treatment)
Can you use antihistamines in pregnant patients? What antihistamines are low risk and moderate risk?
Yes, diphenhydramine, chlorpheniramine
Levocetirizine, loratadine, cetirizine (low risk)
Fexofenadine, azelastine (moderate risk)
Can you use antihistamines in lactating patients?
No, but chlorpheniramine, fexofenadine, and loraradine are best options if needed
Chlor-Trimeton allergy (4, 8, 12 Hour) Tablets (systemic FIRST-generation)
Chlorpheniramine 4, 8, or 12 mg, respectively
Benadryl allergy tablets (systemic FIRST-generation)
diphenhydramine HCL 25mg
Zyrtec tablets (systemic SECOND-generation)
cetirizine 10mg
Allegra allergy 24 HR tablets (systemic SECOND-generation)
fexofenadine 180mg
Xyzal allergy 24 HR tablets (systemic SECOND-generation)
levocetirizine 5 mg
Claritin non-droswy tablets (systemic SECOND-generation)
loratadine 10mg
astepro allergy spray (nasal antihistamine)
azelastine hydrochloride 0.15% (205.5 mcg/spray)
Uses of decongestants
nasal congestion
Mechanism of Action for cromolyn sodium
mast cell stabilizer
Uses of cromolyn sodium
prevents and treats symptoms of allergic rhinitis
Adverse effects of allergic rhinitis (3)
sneezing, nasal stinging, burning
Patients _______ and older ________ in each nostril ____-____ times ____ at regular intervals
2 year; 1 spray; 3-6; daily
Treatment is more effective if started _____ symptoms begin
before
Initial clinical improvement ____-____ days
3-7
Achieve maximal therapeutic benefit ___-___ weeks
2-4
Can you use cromolyn sodium in pediatric patients?
Yes, 2 year and older
Can you use cromolyn sodium in geriatric patients?
Yes, first-line treatment
Can you use cromolyn sodium in pregnant patients?
Yes, first-line treatment
NasalCrom Spray (cromolyn sodium)
cromolyn sdoium 5.2mg/spray
Refer on when symptoms do not decrease after ___-___ weeks of treat and when signs and symptoms of ________ __________ develop
1-2 weeks; bacterial infection