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Since the thrombocyte count started to increase immediately after initiation and dropped immediately after discontinuation of ciprofloxacin and tazobactam / piperacillin and all other drugs were discontinued already before or were started after the nadir of the thrombocyte count , these two antibiotics were regarded causative .
 thrombocyte count started to increase, ciprofloxacin; thrombocyte count started to increase, piperacillin; thrombocyte count started to increase, tazobactam
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:
 thrombocyte count started to increase, ciprofloxacin; thrombocyte count started to increase, piperacillin; thrombocyte count started to increase, tazobactam