⚠️ MedDeck is an educational and reference tool for seafarers. It does not replace professional medical advice, TMAS, a company doctor, or emergency services. In an emergency, seek appropriate medical assistance and follow your vessel's procedures.

EM-007

Anaphylaxis / severe allergic reaction

Severe allergic reactions can become rapidly life-threatening — escalate immediately.

What should I do first?

Seek emergency assistance promptly
Assess breathing and responsiveness
Use the person's prescribed emergency medication only when appropriate and according to training and vessel procedure
Monitor closely for deterioration
Obtain professional medical assistance without delay

What this may look like

Rapid onset of widespread rash, swelling, or itching
Breathing difficulty, throat tightness, or wheeze
Marked distress, weakness, or reduced responsiveness
May follow exposure to food, medicine, insect sting, or unknown trigger

What should I check?

Breathing and responsiveness
Swelling, rash, or other allergic signs
Whether the person has a known allergy plan or prescribed emergency medication
Change in condition over time

What should I avoid?

Delaying emergency assistance
Using medicines not prescribed for the person or outside your authorization
Creating an independent prescribing or medicine protocol onboard

When should I get medical assistance?

Immediately for suspected severe allergic reaction
Contact your vessel's designated medical assistance/TMAS service according to vessel procedures
Follow your vessel's emergency procedures

What information should I prepare for TMAS / medical assistance?

Possible trigger if known
Current symptoms and timing
Use of prescribed emergency medication if applicable
Person's known allergy history if available
Vessel position and communications details required by procedure

Important safety note

Do not create medication amount guidance in MedDeck
Follow vessel procedures and medical assistance direction

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