Term
What are the 3 types of allergic rhinitis? |
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Definition
episodic, seasonal (intermittent), and perennial (persistent) |
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Term
What is rhinitis medicamentosa? |
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Definition
drug-induced rhinitis - caused by using a nasal decongestants for longer than 2-3 days |
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Term
Name 5 causes of non-allergic rhinitis. |
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Definition
Infection, idiopathic or vasomotor, drug-induced, hormonal, or anatomical abnormalities |
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Term
In what age group is the highest incidence of allergic rhinitis? |
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Definition
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Term
What % of rhinitis patients are symptomatic > 4 months/year? |
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Definition
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Term
What % of patients are symptomatic > 9 months/year? |
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Definition
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Term
What % of rhinitis is purely allergic? |
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Definition
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Term
What % of rhinitis is purely non-allergic? |
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Definition
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Term
What % of rhinitis is mixed allergic and non-allergic? |
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Definition
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Term
What % of rhinitis has an allergic component? |
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Definition
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Term
What % of rhinitis has a non-allergic component? |
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Definition
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Term
Name 6 predisposing factors for allergic rhinits. |
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Definition
1. asthma 2. atopic dermatitis 3. family history of allergy 4. exposure to second hand smoke 5. occupational/environmental exposures 6. early introduction of formula and foods |
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Term
What is 1 of the top 10 reasons for patients to present to primary care physicians? |
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Definition
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Term
What % of the population is affected by rhinitis? |
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Definition
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Term
When is it important to determine the etiology of rhinitis and why? |
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Definition
With chronic symptoms - it helps guide therapy. |
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Term
What is allergic rhinitis? |
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Definition
a symptomatic disorder of the nose induced by IgE-mediated inflammation after allergen exposure |
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Term
What are the symptoms of allergic rhinitis? |
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Definition
rhinorrhea, nasal obstruction, nasal itching, and sneezing |
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Term
Name 3 comorbidities of allergic rhinits? |
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Definition
asthma, conjunctivitis, and rhinosinusitis |
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Term
What happens during sensitization to an allergen? |
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Definition
IgE directed at specific proteins (allergen) are produced and mast cells covered in this IgE presents in the nasal mucosa |
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Term
What happens during exposure to allergens (after sensitization)? |
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Definition
allergens elute across the mucous membrane and bind IgE on the mast cells; this triggers an allergic response |
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Term
What happens in the early phase response of the allergic reaction? |
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Definition
IgE antibodies on mast cells are cross-linked and the mast cells degranulate - releasing histamine and chemical mediators. Arachidonic acid metabolites are newly produced following activation. |
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Term
What seasonal allergen is likely the cause of allergic rhinitis in the spring? |
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Definition
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Term
What seasonal allergen is likely the cause of allergic rhinitis in spring to late summer? |
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Definition
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Term
What seasonal allergen is likely the cause of allergic rhinitis in late summer to early fall? |
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Definition
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Term
What are some causes of perennial allergic rhinitis? |
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Definition
overlapping allergies, dust mite fecal proteins, animal dander, cockroaches, or mold |
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Term
T/F There may be a genetic component to allergic rhinitis. |
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Definition
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Term
T/F Allergic rhinitis sufferers may have an inherited predisposition to phenotype 2 helper T (H2) cells. |
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Definition
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Term
What type of patients exhibit exaggerated responses to normal substances? |
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Definition
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Term
Name 9 aspects of the early phase response of the allergic reaction. |
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Definition
stimulation of irritant receptors (sneezing), pruritis, vascular permeability, mucosal permeability, smooth muscle contraction ("obstruction"), influx of inflammatory cells, mucus secretion, chemotaxis, airway permeability |
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Term
When does the late phase response begin? |
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Definition
4-8 hours after allergen exposure |
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Term
What causes the late phase response of an allergic reaction? |
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Definition
cytokines released by mast cells IL-3, 4, 5, 6, 8 |
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Term
What happens during the late phase response of the allergic reaction? |
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Definition
profound infiltration and activation of migrating cells - this causes obstruction and hyperresponsive inflamed mucosa |
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Term
What is the predominant source of histamine in the late phase reaction of an allergic reaction? |
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Definition
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Term
What is hyperresponsive inflamed mucosa? |
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Definition
irritated mucosa that responds to any irritant or responds to lower levels of the allergen |
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Term
Why is it important to treat intermittent (seasonal) allergic rhinitis prophylactically? |
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Definition
To avoid hyperresponsive inflamed mucosa - get ahead of it so that you can treat it more easily |
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Term
Name 4 indications for allergy testing. |
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Definition
1. ID of allergens 2. chronic or recurrent symptoms 3. symptoms that are not controlled by avoidance and medication 4. need for immunotherapy (meds not tolerated or cost of meds is prohibitive) |
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Term
What are allergic shiners? |
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Definition
Dark areas around eyes caused by allergies; There is little correlation between symptoms and size |
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Term
Name 10 possible signs that are in conjunction with allergic rhinitis. |
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Definition
1. allergic shiners 2. watery eyes, itchy 3. transverse nasal crease - allergic salute 4. pale blue, edematous turbinates 5. clear, watery nasal discharge (bilateral) 6. lymphoid hyperplasia 7. nasal scrapings show eosinophils under microscope 8. blockage of the eustachian tubes 9. cough 10. pain on deep palpation of the sinuses |
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Term
When do you read a positive control for puncture/prick testing for allergies? |
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Definition
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Term
When do you read allergens for puncture/prick testing for allergy testing? |
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Definition
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Term
What is considered a positive allergen response? |
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Definition
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Term
Why are positive and negative controls in allergy testing important? |
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Definition
validates the skin response |
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Term
What does a positive negative control mean? (reaction to negative control - saline) |
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Definition
dermagraphism - physical urticaria |
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Term
What does a negative positive control mean? (not reacting to histamine) |
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Definition
medication reaction - use of antihistamine prior to testing OR hypoactive skin |
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Term
Explain the grading for multitest response. |
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Definition
0 - no reaction to 1-3 mm wheal 1+ - erythema with 3 mm wheal 2+ - erythema with 5 mm wheal 3+ - erythema with 7-10 mm wheal 4+ - erythema with > 10 mm wheal 5+ - erythema with > 10 mm wheal with pseudopods |
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Term
What are the 4 categories of treatment for allergic rhinitis? |
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Definition
I. Avoidance of ID'd allergens II. Pharmacotherapy III. Immunotherapy IV. Surgery |
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Term
How do you avoid dust mites if allergic? |
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Definition
Use plastic covers and vacuum frequently Avoid overstuffed chairs, curtains, stuffed animals, dust-collecting boxes under bed, etc. |
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Term
How do you avoid cockroaches if allergic? |
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Definition
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Term
What % of atopic patients will have a + skin prick test to cats? |
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Definition
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Term
What % of people will have a + skin prick test to dogs? |
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Definition
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Term
What % of people have a + skin prick test to dust mites? |
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Definition
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Term
What are people allergic to from pets? |
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Definition
animal dander - small protein particles |
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Term
What causes animal dander to become airborne? |
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Definition
vacuuming, walking on carpeted floors, etc. |
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Term
Name some realistic advice for allergic pet owners. |
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Definition
Make pet an outside pet, keep pet out of bedroom and confined to a non-carpeted area with HEPA filter, etc. |
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Term
Is washing a cat to reduce allergies realistic? |
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Definition
No, they return to baseline after only 3 hours |
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Term
Effective/Not Confine animals to non-carpeted area with HEPA. |
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Definition
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Term
Effective/Not Remove carpeting - it accumulates 100x more allergen than polished floors. |
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Definition
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Term
Effective/Not Wash laundry at 60 C with one rinse, any temp with 2 rinses, or use steam washing machine to reduce allergens. |
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Definition
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Term
Effective/Not Use a face mask for vacuuming or cleaning litter box. |
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Definition
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Term
Effective/Not Use tightly woven fabrics for bedding covers to capture dander. |
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Definition
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Term
Effective/Not Limit or remove fabric covered furniture. |
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Definition
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Term
Effective/Not Neuter male pets or select female pets. |
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Definition
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Term
Effective/Not Require passive carries of animal dander to change clothes before exposure to patient. |
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Definition
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Term
Effective/Not HEPA vaccum. |
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Definition
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Term
Effective/Not Washing pets with water or shampoo. |
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Definition
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Term
Effective/Not Steam cleaning carpet or upholstery. |
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Definition
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Term
Effective/Not Oral agents/sprays to reduce animal shedding. |
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Definition
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Term
Effective/Not Wash hands after petting animal and before touching face. |
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Definition
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Term
Effective/Not MERV 12 filters on HVAC system |
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Definition
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Term
Effective/Not HEPA free standing unit |
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Definition
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Term
Effective/Not 6 air exchanges per hour in the home. |
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Definition
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Term
Effective/Not Tannic acid spray for carpeting or upholstery. |
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Definition
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Term
Effective/Not Use of a multiple intervention approach. |
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Definition
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Term
AR/ VMR/ Both Intranasal corticosteroid |
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Definition
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Term
AR/ VMR/ Both Intranasal antihistamine |
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Definition
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Term
AR/ VMR/ Both oral antihistamine |
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Definition
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Term
AR/ VMR/ Both Decongestant |
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Definition
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Term
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Definition
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Term
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Definition
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Term
AR/ VMR/ Both Ipratropium bromide |
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Definition
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Term
AR/ VMR/ Both nasal saline |
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Definition
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Term
AR/ VMR/ Both Oral corticosteroids |
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Definition
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Term
What is the treatment plan for episodic AR? |
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Definition
treat the symptoms
nasal decongestant, nasal antihistamine, oral antihistamine, eye drops, or nasal saline |
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Term
What is the treatment plan for mild persistent allergic rhinitis? |
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Definition
1 regular medication
nasal corticosteroid or nasal antihistamine
monetlukast, ipratropium bromide |
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Term
What is the treatment plan for mild to moderate persistent allergic rhinitis? |
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Definition
2 regular medications
nasal corticosteroid and nasal antihistamine
oral antihistamine, montelukast |
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Term
What is the treatment plan for moderate to severe allergic rhinitis? |
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Definition
2-3 medications
nasal corticosteroid and nasal antihistamine
montelukast, ipratropium bromide, oral antihistamine, nasal saline |
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Term
What is the treatment plan for severe persistent allergic rhinitis? |
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Definition
continue all regularly used medications and add short term use corticosteroids |
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Term
How long should you use corticosteroids to treat severe persistent allergic rhinitis? |
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Definition
Dose packs for 5-7 days 4x per year (no more than every 3 months) |
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|
Term
Name 5 OTC nasal decongestants. |
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Definition
1. phenylephrine 2. naphazoline 3. tetrahydrozoline 4. oxymetazoline 5. xylometazoline |
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Term
What are possible side effects of OTC nasal decongestants? |
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Definition
rebound vasodilation and rhinitis medicamentosa |
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Term
How do OTC nasal decongestants work? |
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Definition
stimulate the alpha-adrenergic receptors causing constriction of the blood vessels and engorgement of the vessels within the sinus is reduced, relieving the "obstructed" sensation |
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Term
What are the physiologic effects of nasal saline? |
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Definition
directly cleanses the nose, removes inflammatory mediators, and improves mucociliary function |
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Term
What % improvement in symptom can be seen in AR patients by adding nasal saline |
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Definition
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|
Term
What % of nasal saline users report side effects? |
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Definition
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Term
What are some possible side effects of nasal saline use? |
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Definition
ear fullness, stinging sensation, and rarely, epistaxis |
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Term
What prescription eye drops can be used to relieve ocular itching? |
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Definition
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|
Term
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Definition
prescription NSAID eye drop relieves ocular itching |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
OTC antihistamine and mast cell stabilizer |
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Term
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Definition
Rx antihistamine and mast cell stabilizer |
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Term
|
Definition
antihistamine and vasoconstricter limit to 2-3 days because of the naphazoline |
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|
Term
naphazoline + pheniramine |
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Definition
antihistamine and vasoconstrictor limit to 2-3 days because of naphazoline |
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|
Term
T/F When using eye drops to treat AR symptoms, combination products work better than individual agents. |
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Definition
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|
Term
|
Definition
1st gen oral antihistamine causes drowsiness |
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|
Term
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Definition
1st gen oral antihistamine less drowsy than diphenhydramine |
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|
Term
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Definition
1st gen oral antihistamine |
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|
Term
|
Definition
1st gen oral antihistamine |
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|
Term
How do first gen oral antihistamines work? |
|
Definition
competitively blocks the effects of histamine at the H1 receptor sites; does not activate the H1 receptor; nonselective - cross the blood brain barrier |
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|
Term
|
Definition
Rx 1st gen oral antihistamine antiemetic, sedative, anxiolytic |
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Term
T/F First gen oral antihistamines cross the blood brain barrier because they are lipid soluble. |
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Definition
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|
Term
What cardiovascular effects do first gen oral antihistamines have? |
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Definition
increase BP and cause prolonged QT interval |
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|
Term
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Definition
2nd gen oral antihistamine |
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|
Term
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Definition
2nd gen oral antihistamine > 12 180 mg QD doesn't have a lot of drug-drug interactions |
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|
Term
|
Definition
2nd gen oral antihistamine 2 mo.s-5 yrs 2.5 mg PO QD |
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|
Term
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Definition
2nd gen oral antihistamine |
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|
Term
|
Definition
2nd gen oral antihistamine > 6 yrs 5 mg PO QPM |
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|
Term
What is the mechanism of action of second generation oral antihistamines? |
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Definition
competitively blocks the effects of histamine at H1 peripheral receptor sites; does not activate the H1 receptor; selective - do not cross blood-brain barrier |
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|
Term
T/F There are cardiovascular effects produced by second gen oral antihistamines. |
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Definition
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|
Term
Name 3 anticholinergic effects of second gen oral antihistamines. |
|
Definition
1. drying effect - nasal, dec. lacrimal hypersecrection (watery eyes) 2. dry mouth 3. difficulty voiding urine |
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|
Term
What types or antihistamines should BPH patients avoid? Why? |
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Definition
2nd gen oral antihistamines; can cause difficulty voiding urine |
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|
Term
How are second gen nasal antihistamines dosed? |
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Definition
1-2 sprays each nostril BID |
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|
Term
azelastine hydrochloride (saline) |
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Definition
2nd gen nasal antihistamine bitter taste approved for age 5 and up |
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|
Term
azelastine hydrochloride (sucralose/sorbitol) |
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Definition
2nd gen nasal antihistamines approved for age 12 and up |
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|
Term
|
Definition
2nd gen nasal antihistamine age 12 and up |
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|
Term
|
Definition
nasal steroid seasonal and perennial allergic and nonallergic rhinitis |
|
|
Term
fluticasone furoate (dose) |
|
Definition
nasal steroid 2-11 years: 1 spray per nostril QD-BID Adults: 2 sprays per nostril BID |
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|
Term
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Definition
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|
Term
|
Definition
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|
Term
|
Definition
nasal steroid - AQ prep 2-11 years: 1 spray each nostril QD adults: 2 sprays each nostril QD |
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|
Term
|
Definition
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|
Term
beclomethasone diproponate |
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Definition
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|
Term
|
Definition
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|
Term
What % of patients on nasal steroids experience epistaxis? |
|
Definition
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|
Term
Why might you not want to use beclamethasone in pediatric patients? |
|
Definition
delayed height attainment |
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|
Term
What medications should be avoided in glaucoma patients and why? |
|
Definition
nasal steroids - may increase intraocular pressure |
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|
Term
T/F Nasal steroids may cause posterior subscapular cataracts. |
|
Definition
|
|
Term
|
Definition
mast cell stabilizer begin 1 week before to prevent symptoms of allergic rhinits Side effects: nasal stinging, sneezing |
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|
Term
|
Definition
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|
Term
|
Definition
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|
Term
|
Definition
|
|
Term
|
Definition
anticholinergic agent side effects: nasal dryness, epistaxis, headache |
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|
Term
|
Definition
leukotriene receptor blocker 2-5 years - 4 mg PO QHS 6-14 years - 5 mg PO QHS Adults - 10 mg PO QD |
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|
Term
|
Definition
leukotriene receptor blocker hepatotoxicity |
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|
Term
|
Definition
leukotriene receptor blocker hepatotoxicity |
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|
Term
How do leukotriene receptor blockers work? |
|
Definition
they prevent the action of leukotriene in increasing the inflammatory response to allergens |
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|
Term
When is immunotherapy used? |
|
Definition
when optimal avoidance measures and medication therapy are insufficient to control symptoms - or if medications are too expensive or will be so long term that they will become expensive |
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|
Term
How is immunotherapy done? |
|
Definition
allergy testing to ID triggers then desensitization to allergens |
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|
Term
What are the outcomes of immunotherapy? |
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Definition
reduces the need for excessive use of medications to control symptoms, decreases the development of new allergies, and reduces the risk of developing asthma |
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|
Term
When is an ENT referral ndicated? |
|
Definition
Symptoms are not resolved by other treatments |
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|
Term
When is surgery indicated? |
|
Definition
nasal obstruction from polyps, severe septal deviation, adenoidal hypertrophy |
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