Antihistamine Flashcards Preview

Nursing 2P16 > Antihistamine > Flashcards

Flashcards in Antihistamine Deck (24):
1

diphenhydramine trade names

allerdryl, benadryl, zzzquil

2

diphenhydramine drug class

antihistamine

3

diphenhydramine expected effect

decrease allergic response by competing with histamine for receptor site by blocking histamine.

Act on blood, GI, respiratory system by competing histamine for H receptor site which decreases allergy response by blocking histamine

4

diphenhydramine why use

allergy, rhinitis, motion sickness, antiparkinsonism, nighttime sedation, infant colic, insomnia, cough

5

diphenhyramine route admin

PO IM IV

6

diphenhydramine dose

PO 25-50 q4-6 to max 300mg
IV IM 10-50mg to max 300mg

7

diphendydramine adverse effects

seizure, thrombocytopenia, agranulocytosis, anemia, anaphylaxis

8

diphenhydramine nursing implications

urine patterns, CBC, respirations

9

cetirizine trade names

all day allergy, all day allergy childrens, reaction, Zyrtec, Zyrtec children

10

cetirizine drug class

antihistamine

11

cetirizine why use

rhinitis, allergy, chronic idiopathic urticaria

12

cetirizine expected effects

act on blood, GI, respiratory by competing histamine for H1 receptor site. Allergic response decreased by blocking pharm effects of histamine

13

cetirizine route admin

PO

14

cetirizine adverse effects

headache, drowsy, fatigue, dry mouth, thickened bronchial secretions

15

cetirizine dose

rhinitis/ urticaria: 5-10mg
hay fever/ allergies: 10mg
renal/ hepatic dose: 5mg

16

cetirizine nursing implications

assess allergy, no driving alcohol or sunlight, sugarless gum candy, sip water to prevent dry mouth, no breastfeed

17

fexofenadine trade name

allegra

18

fexofenadine drug class

antihistamine

19

fexofenadine why use

rhinitis, allergy, chronic idiopathic urticaria

20

fexofenadine expected effect

act on blood, GI, respiratory system by competing with H1 receptor site. Decreases allergic response by blocking pharm effects of histamine, less sedating.

21

fexofenadine route admin

PO

22

fexofenadine dose

60mg bid or 180mg

23

fexofenadine adverse effects

dysrhythmias, penias

24

fexofenadine nursing implications

assess: allergies, I &O, bronchial secretions (increase fluids)
evaluate: no running or congested nose
teach: no driving or hazardous activity, no alcohol or depressants, do not exceed recommended dose or dysrhythmias occur