Respiratory: Allergic Rhinitis Flashcards

1
Q

What is Allergic rhinitis

A

IgE mediated hypersensitivity triggered by allergens

localized to nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Biggest risk factor for Allergic rhinitis

A

Personal or FH of asthma/eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Episodic Allergic Rhinitis symptoms

A

occur when exposed to allergen outside of normal routine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Intermittent Allergic rhinitis symptoms

A

over <4 days/week or <4 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Persistent Allergic rhinitis symptoms

A

occur >4 days/week or >4 weeks

also known as perennial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Signs and Symptoms of Allergic Rhinitis (most common)

A

Itchy eyes, nose, palate
Watery Rhinorrhea
Repetitive sneezing
nasal congestion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Self treatment exclusions for Allergic Rhinitis

A
Child <12 (make sure not asthma)
Preg/ Lactating
history of non-allergic rhinitis
Symptoms of upper respiratory Tract infection
unresponsive to OTC treatment
unacceptable adverse effects
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Treatment of Allergic Rhinitis

A

Avoid allergens

washings stuff, using HEPA filters, avoid outdoor activities when pollen high

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Possible non-pharmacologic options for Allergic Rhinitis

A

Sodium Chloride nasal spray, irrigation or drops

don’t share bottles
can be used in children and young babies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When taking pharmacotherapy for allergies, start them….

A

about 1 week prior to anticipated allergen exposure if you get them every year

make sure to use meds regularly rather than episodically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

1st line for allergic rhinitis

A

Intranasal steroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Add on therapy w/ allergic rhinitis of itching and sneezing

A

2nd gen antihistamines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When should you consider intranasal antihistamines

A

if don’t benefit from intranasal steroids or oral antihistamines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Leukotriene Receptor Antagonists not recommended in patients without….

A

asthma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Intranasal Corticosteroids

A

1st line

broad anti-inflame properties that reduce inflammation

Well tolerated..possible nose bleeds or itching/sneezing

oral used for severe cases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Intranasal Corticosteroids counseling

A

shake before use, prime 1st use and if not used for >1 week

Benefits not immediate
Peak response in a few days to 2 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

RX only Intranasal Corticosteroids

A

Beclomethasone (QNASL, Beconase AQ)

18
Q

RX/OTC Intranasal Corticosteroids

A

Fluticasone (Flonase)(also approved ophthalmic symptoms)
Triamcinolone (Nasacort)
Budesonide (Rhinocort)
Mometasone (Nasonex)

19
Q

Pharmacotherapy: Antihistamines

A

good for early phase, not so much for late phase stuff

often used in combo with decongestants

20
Q

2nd Gen antihistamines

A

Cetirizine (Zyrtec)
Fexofenadine (Allegra)
Loratadine (Claritin)

21
Q

Most drowsy 2nd gen

A

Zyrtec

avoid in pts who need to be alert

22
Q

2nd gen preferred in pregnancy and pediatrics

A

Claritin

23
Q

2nd gen w/ juice interactions

A

Allegra

24
Q

Intranasal Antihistamine

A

Azelastine (RX) and Olopatadine (RX)

less effective than oral
might cause sedation

25
Q

Ophthalmic Antihistamines

A

Ketotifen (OTC),Olopatadine (OTC)
Azelastine (RX)

useful for allergic conjunctivitis

26
Q

1st gen Antihistamine precautions

A
Infants/Breast feeding
caution in elderly
Narrow-angle glaucoma
BPH
GI/GU obstruction
27
Q

Mast cell Stabilizer

A

Cromolyn Sodium (OTC)

most effective if started prior to symptoms onset,dont useful after. Take take up to 7 days to see improvement, and 2-3weeks for full effect

very safe and well tolerated (Pregnancy, 2yr+, elderly) if taken correctly

28
Q

Oral Decongestants

A

Pseudoephedrine (BTC) - more effective
DDI - MAOIs/TCAs in combo/2 weeks following

Phenylephrine (OTC)

29
Q

Intranasal Decongestants

A

Oxymetazoline 0.05% (OTC)
Phenylephrine 0.25%/0.5% (OTC)

can cause rebound congestion if used for longer than 3-5 days. takes 1-2 weeks to resolve

DDIs- MAOIs and TCAs

30
Q

Decongestant warnings

A

Avoid pts taking MAOIs and TCAs

Uncontrolled diabetes, thyroid, HTN, CHD, etc

31
Q

Intranasal Anticholinergic Spray

A

Ipratropium 0.03%/0.06% (RX)

dry secretions and decrease runny nose

32
Q

Leukotriene Receptor Antagonist

A

Montelukast (RX) only one approved for Allergic rhinitis

as effective as 2nd gen antihistamines, less intranasal corticosteroids

Black box warning psychiatric events

Don’t recommend for Allergic Rhinitis due to this

33
Q

For Rhinorrhea add on

A

antihistamine or ipratropium nasal

34
Q

For itching/sneezing add

A

antihistamine

35
Q

For nasal congestion add

A

intranasal (limit 3 days) or oral decongestant

36
Q

For ocular symptoms add

A

INCS fluticasone furoate/propionate or ocular antihistamine

37
Q

For minimal systemic effects use

A

intranasa cromolyn

38
Q

Pregnant women w/ Allergic Rhinitis

A

1st line = intranasal cromolyn

INCS are safe
2nd gen loratadine preferred
Oxymetazoline preferred decongestant

Similar for breastfeeding

39
Q

Treating Allergic Rhinitis for children

A

<12 = doctor to see if asthma

if self care ok, loratadine is the choice

40
Q

Treating Allergic Rhinitis for elderly

A

avoid 1st gen

Intranasal cromolyn, Loratodine/ fexofenadine drugs of choice