1454
CASE REPORT: We describe here a case of a 60 year old female that experienced a relapse of symptomatic hyperlactatemia after being switched from stavudine to zidovudine and how the case was managed at the Infectious Diseases Institute, Kampala, Uganda.
 ( adverse event: after ,  a case of a 60 year old female: Subject, 60 year old: Subject.Age, female: Subject.Gender, relapse of symptomatic hyperlactatemia: Effect, switched from stavudine to zidovudine: Treatment, stavudine: Treatment.Drug, zidovudine: Treatment.Drug) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: after ,  a case of a 60 year old female: Subject, 60 year old: Subject.Age, female: Subject.Gender, relapse of symptomatic hyperlactatemia: Effect, switched from stavudine to zidovudine: Treatment, stavudine: Treatment.Drug, zidovudine: Treatment.Drug) 