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A 7-year-old with congenital toxoplasmosis who took pyrimethamine and sulfadiazine for reactivated chorioretinitis developed fever, severe cutaneous involvement, swelling, abdominal pain and transaminitis, persisting weeks after withholding medicines.
 ( adverse event: developed ,  A 7-year-old with congenital toxoplasmosis: Subject, 7-year-old: Subject.Age, fever, severe cutaneous involvement, swelling, abdominal pain and transaminitis: Effect, pyrimethamine and sulfadiazine for reactivated chorioretinitis: Treatment, reactivated chorioretinitis: Treatment.Disorder, congenital toxoplasmosis: Treatment.Disorder, pyrimethamine: Treatment.Drug, sulfadiazine: Treatment.Drug, pyrimethamine: Combination.Drug, sulfadiazine: Combination.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: developed ,  A 7-year-old with congenital toxoplasmosis: Subject, 7-year-old: Subject.Age, fever, severe cutaneous involvement, swelling, abdominal pain and transaminitis: Effect, pyrimethamine and sulfadiazine for reactivated chorioretinitis: Treatment, reactivated chorioretinitis: Treatment.Disorder, congenital toxoplasmosis: Treatment.Disorder, pyrimethamine: Treatment.Drug, sulfadiazine: Treatment.Drug, pyrimethamine: Combination.Drug, sulfadiazine: Combination.Drug) 