752
Ritonavir acted as a CYP3A4 inhibitor, diminishing carbamazepine metabolism and provoking an increase in serum levels and clinical toxicity.
 adverse event: acted 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: acted 