Antihistamine

Question 1

diphenhydramine trade names

Answer 1

allerdryl, benadryl, zzzquil

Question 2

diphenhydramine drug class

Answer 2

antihistamine

Question 3

diphenhydramine expected effect

Answer 3

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

Question 4

diphenhydramine why use

Answer 4

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

Question 5

diphenhyramine route admin

Answer 5

PO IM IV

Question 6

diphenhydramine dose

Answer 6

PO 25-50 q4-6 to max 300mg

IV IM 10-50mg to max 300mg

Question 7

diphendydramine adverse effects

Answer 7

seizure, thrombocytopenia, agranulocytosis, anemia, anaphylaxis

Question 8

diphenhydramine nursing implications

Answer 8

urine patterns, CBC, respirations

Question 9

cetirizine trade names

Answer 9

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

Question 10

cetirizine drug class

Answer 10

antihistamine

Question 11

cetirizine why use

Answer 11

rhinitis, allergy, chronic idiopathic urticaria

Question 12

cetirizine expected effects

Answer 12

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

Question 13

cetirizine route admin

Answer 13

PO

Question 14

cetirizine adverse effects

Answer 14

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

Question 15

cetirizine dose

Answer 15

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

Question 16

cetirizine nursing implications

Answer 16

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

Question 17

fexofenadine trade name

Answer 17

allegra

Question 18

fexofenadine drug class

Answer 18

antihistamine

Question 19

fexofenadine why use

Answer 19

rhinitis, allergy, chronic idiopathic urticaria

Question 20

fexofenadine expected effect

Answer 20

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

Question 21

fexofenadine route admin

Answer 21

PO

Question 22

fexofenadine dose

Answer 22

60mg bid or 180mg

Question 23

fexofenadine adverse effects

Answer 23

dysrhythmias, penias

Question 24

fexofenadine nursing implications

Answer 24

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