AR drugs

Question 1

Corticosteroids

Answer 1

Good for congestion and rhinorrhea
watch for burning, nose bleeds

Question 2

Cromolyn

Answer 2

Mast cell stabilizer (not in Can)
1-2w onset for reduced itch, rhinorrhea and congestion

Question 3

LTRA

Answer 3

Can be used for AR as second line after INCS and anti H1

Question 4

AR immunotherapy

Answer 4

reduce IgE sensitivity and reaction to allergen

Question 5

Ipratropium

Answer 5

Spray dries out rhinorrhea and can counteract the rebound from anti H1 or INCS

Question 6

opthamalic decongestants

Answer 6

Naphazoline or tetrahydrozoline, faster acting but can cause rebound after 5d

Question 7

chlorpheniamine

Answer 7

> 12 4mg q4-6h max 24mg
11-6 2mg q4-6h max 12mg
2-5 1mg q4-6h max 6
0.35mg/kg/d divided q4-6h

Question 8

Diphenhydramine

Answer 8

> 12 25-50mg q6-8h 300 max
5mg/kg/d divided TID or QID
6-11 max 150mg/d
2-5 37.5mg/d

Question 9

Centrizine

Answer 9

> 6 max 20g/d 5-10mg qd
2-5 5mg/d 2.5 BID
1-2 2.5mg q12h
6m-1y 2.5mg qd

Question 10

Fexofenadine

Answer 10

> 12yo 180mg of 12h 120mg of 24h (60mg Q12H)
2-11yo 30mg Q12h
Good for pilots

Question 11

Loratadine

Answer 11

> 6 10mg QD
2-5yo 5mg QD
This and desloratadine also good for pilots

Question 12

Desloratatdine

Answer 12

> 12 5mg QD
6-11 2.5mg QD
1-5 1.25mg QD
6-11m 1mg QD

Question 13

Bliastine

Answer 13

> 12 20mg QD
4-11yo (>16kg on empty stomach) 10mg QD

Question 14

Rupatadine

Answer 14

> 12yo 10mg QD
2 and >25kg 5mg QD (max)
<25kg 2.5mg QD (max)