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Eleven patients developed infection requiring hospitalization while taking leflunomide including : lower respiratory tract infections ( 3 ) , cellulitis ( 2 ) , disseminated herpes zoster ( 2 ) , probable TB liver ( 1 ) , abdominal sepsis ( 1 ) , mycotic aneurysm ( 1 ) and gastroenteritis ( 1 ) .
 abdominal sepsis, leflunomide; cellulitis, leflunomide; disseminated herpes zoster, leflunomide; gastroenteritis, leflunomide; infection, leflunomide; lower respiratory tract infections, leflunomide; mycotic aneurysm, leflunomide; TB liver, leflunomide
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:
 abdominal sepsis, leflunomide; cellulitis, leflunomide; disseminated herpes zoster, leflunomide; gastroenteritis, leflunomide; infection, leflunomide; lower respiratory tract infections, leflunomide; mycotic aneurysm, leflunomide; TB liver, leflunomide