Allergic drug reactions vasculitis

Adverse drug reactions can be classified simply according to their onset or severity. ADRs are occasionally classified as acute/ subacute/ or latent. Acute events are those observed within 60 minutes after the administration of a medication and include anaphylactic shock/ severe bronchoconstrictioii/ and nausea or vomiting (17). Subacute reactions occur within 1 to 24 hours and include maculopapular rasly serum sicknesS/ allergic vasculitiS/ and antibiotic-associated diarrhea or colitis. Latent reactions require 2 or more days to become apparent and include eczematous eruptions/ organ toxicity/ and tardive dyskinesia. 

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