410
Several hypersensitivity reactions to cloxacillin have been reported , although IgE - mediated allergic reactions to the drug are rare and there is little information about possible tolerance to other semisynthetic penicillins or cephalosporins in patients with cloxacillin allergy .
 hypersensitivity, cloxacillin; IgE - mediated allergic reactions, cloxacillin
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 hypersensitivity, cloxacillin; IgE - mediated allergic reactions, cloxacillin