-
-
Description
Diphenhydramine blocks histamine release, thereby reducing bronchoconstriction, vasodilation, edema and capillary cell leakage.
-
Mechanism of Action
Histamine blocker, has some slight sedative effects.
-
Onset of Action
- Onset: varies
- Peak: varies
- Duration: varies
- Half-Life: varies
-
Indications
Anaphylaxis-not used as first line agent, use epi, allergic reaction, dystonic reaction due to phenothiazine's.
-
Contraindications
Asthma (use precaution because it's not always contraindication, nursing mother)
-
Precautions
None when used in emergency
-
Side Effects
Blurred vision dries bronchial secretions, headache, and palpitations.
-
-
-
-
Routes of Administration
slow IV push, Deep IM
-
How supplied
prefilled syringes
|
|