3864
However , in order to avoid neuropathic side effects , patients under thalidomide therapy should be monitored every 6 months with nerve conduction studies while taking the drug .
 adverse effect: neuropathic side effects, thalidomide
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: neuropathic side effects, thalidomide