Diphenhydramine Flashcards
1
Q
Diphenhydramine Class
A
Antihistamine
2
Q
Diphenhydramine Mechanism of Action
A
Blocks H1 receptors in the respiratory tract, blood vessels, and GI smooth muscle
3
Q
Diphenhydramine Indications
A
Symptomatic allergic reactions, Symptomatic dystonia, Extrapyramidal signs or symptoms caused by phenothiazines
4
Q
Diphenhydramine Contraindications
A
Newborns and premature infants, breastfeeding
5
Q
Diphenhydramine Dosage and Administration
A
1 mg/kg
Maximum 50 mg dose IM, IV, or orally