Antihistamines Flashcards
1
Q
Diphenhydramine
A
Histamine-1 blocker = block H1 receptors in CNS = stops allergies
Depress CNS = drowsy
Therapeutic class: Antihistamine
Indication: Allergy, anaphylaxis, sedation
Action: Antagonizes effects of histamine, CNS depression
Nursing Considerations:
● Monitor for drowsiness
● Anticholinergic effects
2
Q
Famotidine
A
Histamine -2 blocker = block prod. of stomach acid (think ulcers)
Can help w/ allergies as well - do not make you drowsy
3
Q
Ranitidine
A
Histamine-2 blocker = block prod. of stomach acid
Can help w/ allergies as well - do not make you drowsy
