Module 1

Question 1

Allegra

Answer 1

fexofenadine

antihistamine

180mg orally daily

I:allergies, hay fever, runny nose, sneezing, itchy nose/throat, watery eyes

Interactions: ketoconazole/erythromycin: increase fexofenadine level
antacids: decreased bioavailability

Question 2

Astelin

Answer 2

azelastin

antihistamine

1-2 sprays intranasally BID

I: allergic rhinitis, irritation and inflammation of mucous membrane inside the nose

Interactions: limited with nasal spray

Question 3

Benadryl

Answer 3

diphenhydramine

antihistamine

oral: 25-150mg q 4 hrs
IM/IV: 10-400mg in divided doses
Topical: 1-2% 3-4 times a day

I: hypersensitivity reactions, motion sickness, antitussive, insomnia

Interactions: CNS depressants: additive sedation
anticholinergics: additive anticholinergic effects

Question 4

Claritin

Answer 4

loratadine

antihistamine-piperidine

10mg/day oral

I: allergic rhinitis, (urticaria) relief of itching, nasal relief

Interactions: none

Question 5

Vistaril

Answer 5

hydroxyzine

antihistamine

25-100mg 3-4 times/day orally or IM

I: puritis (itching), sedation, anxiety, tension

Interactions: CNS depressants: additive sedation
anticholinergics: additive anticholinergic effects

Question 6

Xyzal

Answer 6

levocitirizine

antihistamine - pipirazine

5mg orally/day

I: allergic rhinitis, idiopathic urticaria

Interactions: CNS depressants: additive sedation
anticholinergics: additive anticholinergic effects

Question 7

Zyrtec

Answer 7

cetirizine

antihistamine - pipirizine

5-10mg orally/day

I: urticaria, relieves itching due to hives, allergies, hay fever

Interactions: CNS depressants: additive sedation
anticholinergics: additive anticholinergic effects

Question 8

Antivert

Answer 8

meclizine

antihicholinergic - antiemetic, antivertigo

12.5-100mg divided into 1-2 doses. for motion sickness take 1 hr before travel.

I: motion sickness, vertigo

Interactions: CNS depressants: additive sedation
anticholinergics: additive anticholinergic effects

Question 9

Transderm-Scop

Answer 9

scopolamine transdermal

anticholinergic - antiemetic, antivertigo

patch: 1 patch 1hr before needed
Inj: 0.3-1mg in divided doses as needed
oral:0.4-0.8mg every 8-12 hours
ophthalmic: 1-2 drops of 0.25% up to 4x a day

I: motion sickness, prevention of post operative nausea/vomiting

Interactions: CNS depressants: additive sedation
anticholinergics: additive anticholinergic effects

Question 10

Decadron

Answer 10

dexamethazone

corticosteroid - glucocorticoid steroid

0.75-9mg /day orally in divided doses every 6-12 hrs

I:

Interactions: alcohol/NSAID: increased risk of GI upset
estrogens: increased toxicity
hypoglycemic agents: increased glucose levels