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Anaphylaxis

Prevalence
Causes
Clinical features
Differential diagnosis
Investigations
Therapy
Prevention
Prognosis
Prevention

In cases of severe idiopathic anaphylaxis, consider prophylactic steroids. c  

Why?

Few patients relapse on prophylactic prednisolone

Patients Outcome Treatment % 
(95% CI)
adults with idiopathic anaphylaxis c readmission to hospital prednisolone (if 'frequent' attacks) 60-100mg/day 4.9% 
(0% to 10%)
adults with idiopathic anaphylaxis c readmission to hospital prednisolone (if 'frequent' attacks) 1.6% 
(0% to 3.9%)
 

Expiry date: September 2004
Levels of Evidence used in grading these guides

Authors   M   Bennett , RS   Phillips
Reviewer   M   Daniel
CAT Writers   CM   Ball , M   Bennett