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Immunotherapy Safety for the Primary Care ... - U.S. Coast Guard

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Anaphylaxis<br />

Summary of Signs & Symptoms<br />

• Uniphasic (52%)<br />

– Abrupt and severe with death in minutes despite treatment<br />

– Gradual increase in symptoms<br />

• Biphasic (7-20%)<br />

– Immediate symptoms, <strong>the</strong>n an asymptomatic period from 1-8<br />

hours, <strong>the</strong>n recurrence of severe symptoms<br />

• Protracted (28%)<br />

– Symptoms persisting <strong>for</strong> hours<br />

Lieberman P. Ann Allergy Asthma Immunol 2005;95:217-26

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