Diphenhydramine Flashcards
Indications & field use of Diphenhydramine
Anaphylaxis
Phenothiazine reactions (psych drug)
Antiemetic
Mechanism of action of Diphenhydramine
Blocks cellular histamine receptors
Does not prevent histamine release
Has some Anticholinergic effects
Contraindications of Diphenhydramine
Known hypersensitivity
Newborn or premature infants
Caution in patients with glaucoma, bronchial asthma, cardiovascular disease or hypertension
Adverse reactions of Diphenhydramine in CV
Hypotension
Arrhythmias
Hemolytic anemia
Adverse reactions of Diphenhydramine in respiratory
Anaphylaxis
Tightness in chest
Thickening of bronchial secretions
Wheezing
Adverse reactions of Diphenhydramine in CNS
Sedation
Seizures
Adverse reactions of Diphenhydramine in GI
Urinary frequency or retention
Vomiting
Routes of administration of Diphenhydramine
IV, deep IM
What is the brand name of Diphenhydramine
Benadryl