1646
Median seizure frequency prior to treatment with levetiracetam ( 2 . 1 seizures / mo ) was significantly higher than median seizure frequency after initiation of levetiracetam treatment ( 0 . 42 seizures / mo ) , and 7 of 10 cats were classified as having responded to levetiracetam treatment ( ie , reduction in seizure frequency of > or = 50 % ) .
 Disease: seizure; Chemical: levetiracetam; Disease: seizures; Disease: seizure; Chemical: levetiracetam; Disease: seizures; Chemical: levetiracetam; Disease: seizure
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:
 Disease: seizure; Chemical: levetiracetam; Disease: seizures; Disease: seizure; Chemical: levetiracetam; Disease: seizures; Chemical: levetiracetam; Disease: seizure