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Although combinations of belladonna, ergotamine, and phenobarbital have been used for medical treatment of menopausal symptoms since the 1960s, this is the first known case report of its association with anticonvulsant hypersensitivity syndrome.
 ( adverse event: association ,  anticonvulsant hypersensitivity syndrome: Effect, combinations of belladonna, ergotamine, and phenobarbital: Treatment, belladonna: Treatment.Drug, ergotamine: Treatment.Drug, phenobarbital: Treatment.Drug, menopausal symptoms: Treatment.Disorder, belladonna: Combination.Drug, ergotamine: Combination.Drug, phenobarbital: 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: association ,  anticonvulsant hypersensitivity syndrome: Effect, combinations of belladonna, ergotamine, and phenobarbital: Treatment, belladonna: Treatment.Drug, ergotamine: Treatment.Drug, phenobarbital: Treatment.Drug, menopausal symptoms: Treatment.Disorder, belladonna: Combination.Drug, ergotamine: Combination.Drug, phenobarbital: Combination.Drug) 