537
Until additional data are available, if intravenous acyclovir is administered concurrently with lithium, we recommend closely monitoring patients for signs of lithium toxicity and measuring serum lithium levels every second or third day.
 lithium toxicity: Effect; intravenous acyclovir is administered concurrently with lithium: Treatment; acyclovir: Treatment.Drug; lithium: Treatment.Drug; intravenous: Treatment.Route; lithium: Combination.Drug; acyclovir: Combination.Drug
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 lithium toxicity: Effect; intravenous acyclovir is administered concurrently with lithium: Treatment; acyclovir: Treatment.Drug; lithium: Treatment.Drug; intravenous: Treatment.Route; lithium: Combination.Drug; acyclovir: Combination.Drug