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Nursing 2P16 > Antihistamine > Flashcards

Antihistamine Flashcards

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1
Q

diphenhydramine trade names

A

allerdryl, benadryl, zzzquil

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2
Q

diphenhydramine drug class

A

antihistamine

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3
Q

diphenhydramine expected effect

A

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

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4
Q

diphenhydramine why use

A

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

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5
Q

diphenhyramine route admin

A

PO IM IV

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6
Q

diphenhydramine dose

A

PO 25-50 q4-6 to max 300mg

IV IM 10-50mg to max 300mg

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7
Q

diphendydramine adverse effects

A

seizure, thrombocytopenia, agranulocytosis, anemia, anaphylaxis

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8
Q

diphenhydramine nursing implications

A

urine patterns, CBC, respirations

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9
Q

cetirizine trade names

A

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

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10
Q

cetirizine drug class

A

antihistamine

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11
Q

cetirizine why use

A

rhinitis, allergy, chronic idiopathic urticaria

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12
Q

cetirizine expected effects

A

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

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13
Q

cetirizine route admin

A

PO

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14
Q

cetirizine adverse effects

A

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

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15
Q

cetirizine dose

A

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

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16
Q

cetirizine nursing implications

A

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

17
Q

fexofenadine trade name

A

allegra

18
Q

fexofenadine drug class

A

antihistamine

19
Q

fexofenadine why use

A

rhinitis, allergy, chronic idiopathic urticaria

20
Q

fexofenadine expected effect

A

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

21
Q

fexofenadine route admin

A

PO

22
Q

fexofenadine dose

A

60mg bid or 180mg

23
Q

fexofenadine adverse effects

A

dysrhythmias, penias

24
Q

fexofenadine nursing implications

A

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

Nursing 2P16 (20 decks)

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