Class: Antihistamine

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

Indications: Anaphylactic reactions; dystonic reaction, nausea, vomiting

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:

Allergic Reaction:

• 25 - 50mg IV/IO/IM

Nausea and Vomiting for Pregnant Females:

• 12.5 - 25mg IV/IO/IM

Pediatrics:

Allergic Reaction:

• 1 mg/kg IV/IO/IM

Vomiting:

• 0.5 mg/kg IV