3550
Emergency physicians should be aware of oral penicillin anaphylaxis in order to prevent its occurrence by prescribing the antibiotic judiciously and knowledgeably and to offer optimal medical therapy once this life - threatening reaction has begun .
 Chemical: penicillin; Disease: anaphylaxis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: penicillin; Disease: anaphylaxis