Class: Antihistamine

Action: Binds and blocks the histamine (H1) receptors, thereby blocking histamine release.

Indications: Anaphylactic reactions; dystonic reaction

Adverse Effects: Drowsiness, dizziness, headache, wheezing thickening of bronchial secretions, chest tightness, palpitations, hypotension, blurred vision, dry mouth, nausea/vomiting, diarrhea

Contraindications: Known sensitivities and Asthma

Special Considerations: Pregnancy Class B

Dosages:

Adults:

• IV 25-50mg

• IO 25-50mg

• IM 25-50mg

Pediatrics:

• IV 1-2 mg/kg

• IO 1-2 mg/kg

• IM 1-2 mg/kg

COG's

COG's - Anaphylaxis/Allergic Reaction (google.com)