Shared Flashcard Set

Details

OTC
Allergic Rhinitis
42
Health Care
Professional
11/04/2010

Additional Health Care Flashcards

 


 

Cards

Term
What kind of bacteria causes lyme disease? How is it transmitted?
Definition

Spirochete

By ticks

Term
What are the most common causes of allergic rhinitis?
Definition

pollen, mold spores, dust mites, pet dander, cigarette smoke, and cockroaches

Organic dusts, various chemicals and latex

Term

What happens during the sensitization phase of AR?

Are there symptoms?

Definition

It is the initial exposure to the allergen and you produce IgE ATB

NO SYMPTOMS

Term
What occurs during the early phase of AR?
Definition

rapid release of histamines and leukotrienes

These are the primary mediators of the allergic response

Term
What occurs during the cellular recruitment phase of AR?
Definition
leukocytes are attracted to the area and cause the recruitment of more histamines
Term
What occurs during the late phase of AR?
Definition
hypersecretion of mucus (congestion)
Term
What are some systemic symptoms of AR?
Definition
fatigue, malaise and irritability
Term
What are some symptoms associated with AR?
Definition
pruritis(itching), sneezing, nasal congestion, rhinorrhea (runny nose), conjuctivitis and facial features (dark circles)
Term
List 3 non pharmacologic approaches to treating AR
Definition

avoidance of allergens,

nasal wetting agents (saline, polyethylene glycol),

nasal irrigation with warm saline

Term

T/F

First generations antihistamines are non-selective and therefore sedating

Definition
TRUE
Term
What are the first line agents for the symptomatic treatment of AR?
Definition
Oral Antihistamines, H1 receptor antagonists
Term

T/F

Oral antihistamines can be helpful for relieving nasal congestion

Definition

FALSE

have little effect

Term
When should an oral antihistamine be discontinued if going for allergen skin testing?
Definition
at least 4 days before
Term
What is the minimum age for treatment with oral antihistamines?
Definition
No children under 6 b/c no conclusive studies support its use
Term
What is a side effect of oral antihistamines pertaining to the prostate and urine output?
Definition
May increase symptoms of urinary retention in people with Benign Prostate Hyperplasia
Term
What are the OTC first generation antihistamines?
Definition

Diphenhydramine

Clemastine

Doxylamine

Phenyltoloxamine

Chlorpheniramine

Dexchlorpheniramine

Brompheniramine

Dexbrompheniramine

Ethylenediamines

Term
What are the 2 classes of OTC sedating antihistamines?
Definition

Ethanolamines

Alkylamines

Term
Which class of OTC antihistamines have the most sedating effects?
Definition
Ethanolamines
Term
What are the other uses for diphenhydramine, besides an antihistamine?
Definition

Sleep aid

Anti-tussive

Term

What are the dosing maximums for children and adults taking Benadryl?

Class? Sedating?

Definition

Adults 25-50mg Q4-6hrs max 300 mg/day

children 12.5-25 mg Q4-6hrs max 150mg /day

 

Ethanolamine, Sedating

Term
Which has a longer duration of action, diphenhydramine or clemastine?
Definition
Clemastine (1mg Q12hrs)
Term

Class? Sedating?

Doxylamine

Phenyltoloxamine

Definition
Both are Ethanolamines and both are sedating
Term

T/F

 

Alkylamines have less sedating and anticholinergic effects than ethanolamines

Definition
TRUE
Term
Nonsedating antihistamines are___generation and____selective.
Definition
second generation and peripherally selective (dont penetrate CNS)
Term

T/F

2nd generation peripherally selective antihistamines are likely to cause sedation and have anticholinergic effects

Definition

FALSE

not the peripherally selective ones

Term
What are the nonsedating OTC antihistamines?
Definition
Loratidine & Phenindamine
Term
What is the OTC antihistamine of choice and why?
Definition
Loratidine because of its nonsedative and non anticholinergic effects
Term
What are the active ingredients in Claritin-D?
Definition
Loratidine and Pseudophedrine
Term

What is the low sedating antihistamine?

What generation is it?

Brand Name?

Definition
Cetirizine HCl (Zyrtec)
Term
What is the active metabolite of hydroxizine?
Definition
Cetirizine
Term
What is the black box warning with the prescription drug Promethazine?
Definition
Not for use in children under 2 b/c of potential for fatal respiratory depression
Term

What are the active metabolites of...

Loratidine

Terfenadine

Definition

Loratidine-Desloratidine (clarinex)

Terfenadine- Fexofenadine (allegra)

Term
What is the advantage of intranasal antihistamines?
Definition
Rapid onset of action and more effective
Term

How is Cromolyn administered?

Brand Name?

Rx needed?

Safe for pregnant women? why or why not?

Indications

Definition

Intranasally

Nasalcrom

No prescription needed

Safe b/c not systemic

for seasonal and perennial allergic rhinitis

Term

When should Nasalcrom be administered?

How long does it take before effective?

 

Definition

One week before contact with allergen

3-7 days (slow onset)

Term

How are nasal decongestants administered?

Can they be used in combination with antihistamines?

Definition

Orally and intranasally

yes

Term
What is the mechanism of action of Nasalcrom?
Definition
it is a mast cell stabilizer (mast cells release histamines)
Term

T/F

Ipratropium Bromide is an anticholinergic agent

Definition
TRUE
Term
What are the most effective drgs for treating symptoms of AR?
Definition
Intranasal Corticosteroids
Term

Intranasal Corticosteroids

Onset of Action? Maximum Effect?

ADE?

How supplied?

How often administered?

Definition

within 12 hrs...max after 7 days

ususally mild, nasal dryness irritation, sore throat

metered dose pump spray

once a day

Term

What is the leukotriene receptor antagonist used for AR?

What was it initially approved for?

How is it administered?

Definition

Montelukast (Singulair)

Asthma

Oral Once daily

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