Medication 7-099 - Aspirin (Bayer)

CMH EMS & MIH Protocols

Scope of Practice:

Emergency Medical Technician
Advanced Emergency Medical Technician
Registered Nurse
Paramedic
Community Paramedic

Route(s):

Pharmacodynamics (class and mechanism of action):

Platelet inhibitor (Prevents formation of thromboxane A2).
Anti-inflammatory.
Analgesic.

Pharmacokinetics:

Half-life: 15-20 minutes.
Onset time: 5-30 minutes.
Peak action time: 25-40 minutes.
Duration of action: 1-4 hours.
Peak 15 30 45 60 75 90 105 120 135 150 165 minutes
Duration 15 30 45 60 75 90 105 120 135 150 165 minutes

Dosing:

Refer to specific protocol(s) below for dose(s).

Indications:

Protocol 2-220 - Chest Pain / Suspected Cardiac Event.

Contraindications:

Pregnancy.
GI bleeding.
Active ulcer disease.
Hemorrhagic Stroke.
Bleeding disorders.
Children with chickenpox or flu-like symptoms.

Pregnancy Risk Factor:

Category D
Positive evidence of risk: There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Potential Incompatibilities:

Precautions and Adverse Effects:

Aspirin may trigger Asthma attacks in certain individuals with sensitivity.
Use caution with GI bleeding and upset stomach, trauma, decreased LOC of unknown origin.

Antidote:

Medication 7-823 - Sodium Bicarbonate.

Controlled Substance Information:

Not a scheduled drug

The DEA and FDA have not identified this drug with a schedule classification.

DEA number: NA.
Narcotic: No.
Street names: NA.

Citations:

Protocol 9-010 - References
Carnahan, 2012
Comerford & Labus, 2010

Change Log:

Date	Link to previous version	Description of change
12/20/13	pdf	Added EMT scope of practice statement.
03/31/15	pdf	Moved Asthma from contraindication to precautions.
08/24/18	pdf	Added antidote option of Sodium Bicarb.
11/27/19	pdf	Added pregnancy as contraindication due to FDA risk category.
04/29/20	pdf	Added content (without substantive modification) from old Protocol 7-060 - Aspirin.
06/09/21	pdf	Moved to emsprotocols.online
11/30/21		Changed number from 7-060 to 7-099.
02/28/22		Updated link to Sodium Bicarb.
03/17/23	pdf	Added CP. Removed Aspirin from the scope of practice from EMD and EMR to coincide with the change made back in 10/14/21 to Protocol 2-220 that just did not make it to this ASA document.

Return to Protocols Table of Contents.

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Polk, Hickory, Cedar, & St Clair County EMS Protocols is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Peak	15	30	45	60	75	90	105	120	135	150	165	minutes
Duration	15	30	45	60	75	90	105	120	135	150	165	minutes