• Calculator Online

Minor Allergic Reaction Medical Directive

A Primary Care Paramedic or an Advanced Care Paramedic may provide the treatment prescribed in this Medical Directive if authorized.

Indications

Signs consistent with minor allergic reaction;
AND
Special event: a preplanned gathering with potentially large numbers of people and the Special Event Medical Directives have been preauthorized for use by the Medical Director.

Conditions

Diphenhydramine
Age ≥18 years
LOA Unaltered
HR WNL
RR WNL
SBP Normotension
Other N/A

Contraindications

Diphenhydramine
Allergy or sensitivity to diphenhydramine
Antihistamine or sedative use in previous 4 hours
Signs or symptoms of moderate to severe allergic reaction
Signs or symptoms of intoxication
Wheezing

Treatment

Consider topical antibiotic
   Route
PO
Dose 50 mg
Max. single dose 50 mg
Dosing interval N/A
Max. # of doses 1
Consider release from care

Clinical Considerations

Advise patient that if the problem persists or worsens that they should seek further medical attention.

Contact

Ministry of Health and Long-Term Care
5700 Yonge Street, 6th Floor
Toronto, ON M2M 4K5

416-327-7900

Social