How to Document an Allergic Reaction
When a patient has an allergic reaction, care comes first and charting second. Once the patient is safe, the record needs to tell a clear story of exposure, reaction, response and follow-up.
The short answer
A good entry records what the patient was exposed to and when, when symptoms began, what you observed with measurements, what was done and by whom, how the patient responded, who was notified, and how the allergy record was updated. Follow your employer's protocols and orders for treatment; this covers documentation only.
What to include
- Suspected trigger and exposure: the drug, food, latex, contrast or other agent, route, and the time exposure started.
- Onset: the time symptoms were first noticed and who noticed them.
- Findings: what you saw and measured across body systems, such as skin changes, breathing, circulation and gastrointestinal symptoms, with vital signs and oxygen saturation. Quote the patient's own words.
- Actions with times: exposure stopped, help called, positioning, oxygen, and any medication given, with drug, dose, route, site and time, and under which order, directive or protocol.
- Monitoring and response: reassessment times, vital signs and whether symptoms improved, stayed the same or worsened.
- Communication: who was notified (prescriber, rapid response team, pharmacy, family), when, and what they advised or ordered.
- Follow-up: allergy record updated, patient and family teaching, adverse reaction reporting as your employer requires, and the monitoring plan.
A note on severe reactions
The Canadian Immunization Guide describes epinephrine given intramuscularly in the mid-anterolateral thigh as first-line treatment for anaphylaxis after vaccination and stresses recording the timing of interventions. Other settings and agents have their own protocols, so follow yours. In an emergency, a designated recorder or code record may capture the timeline; do not document care someone else provided unless you are the designated recorder.
Example (fictional patient, mild reaction)
Note
1038: First dose of IV antibiotic started for Patient K. 1046: Patient states, "my chest is itchy." Raised red welts on anterior chest and neck, no facial or lip swelling, voice normal, no wheeze, speaking in full sentences. BP 124/76, HR 88, RR 16, SpO2 98% on room air, temp 36.9 °C. Infusion stopped at 1047. Dr. notified at 1050; order received for an antihistamine, given at 1055 per order. 1105: itching "a bit better," welts fading, BP 122/74, HR 84, RR 16, SpO2 98%. 1130: no new symptoms, welts resolved. Allergy record updated with the antibiotic and reaction as observed. Patient told to report new symptoms immediately. Adverse reaction report completed per policy.
Common mistakes
- Writing "allergic reaction" with no description of what was seen or measured.
- Missing the time the infusion or exposure stopped.
- Recording treatment with no dose, route, time or order reference.
- No reassessment after treatment.
- Updating the note but not the allergy record, or labelling a reaction "allergy" with no description. Describe what happened; let the prescriber classify it.
Template
Time of exposure: ___ Agent and route: ___ Time of onset: ___ Symptoms observed (and patient's words): ___ Vitals and SpO2: ___ Actions with times: ___ Treatment given (drug, dose, route, time, order): ___ Reassessment and response: ___ Notified (who, when, advice): ___ Allergy record updated: ___ Teaching and follow-up: ___
Where Fiabita fits
Fiabita's "Clean up my note" tool can help you reword rough notes into clearer, more objective language, and its SBAR handoff and incident-report tools ask guided questions so fewer details get lost under pressure. The output is a draft: you remain responsible for what goes into the record, and it does not check compliance with your regulator or employer. Do not enter information that could identify a real patient, and follow your workplace policy on which tools may be used.
FAQ
Q: Should I chart during an emergency?
Patient safety comes first. Chart as soon as you can, or use the designated recorder or code record, then add a clearly labelled late entry if needed.
Q: Do I need to file a separate report?
Many employers require an adverse reaction or incident report in addition to the chart entry. Follow your employer's policy.
Q: Who decides whether it is a true allergy?
The prescriber and pharmacist. Your role is to describe the reaction accurately.
Sources and further reading
- Public Health Agency of Canada: Canadian Immunization Guide, anaphylaxis and other acute reactions
- CNPS: Documentation for Nurses (guidelines)
- College of Nurses of Ontario: Documentation practice standard
Always check the current version of each source and your own regulator's standards; links and wording can change.