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Symmetrel (Amantadine) - Convulsion - Suspected Cause - Side Effect Reports

 
 



Index of reports > Cases with Convulsion (4)

Below is the selection of side effect reports (a.k.a. adverse event reports) related to Symmetrel (Amantadine) where reactions include convulsion. The selected reports were submitted to the FDA during the sample period of about a year.

Possible Symmetrel side effects in female

Reported by a physician from Japan on 2012-08-09

Patient: female, weighing 37.0 kg (81.4 pounds)

Reactions: Encephalitis, Altered State of Consciousness, Convulsion

Drug(s) suspected as cause:
Symmetrel
    Dosage: 300 mg, unk
    Administration route: Oral
    Indication: Parkinson's Disease
    End date: 2012-07-04

Comtan
    Dosage: 300 mg, unk
    Administration route: Oral
    Indication: Parkinson's Disease

Other drugs received by patient: Selbex; Pramipexole Dihydrochloride; Zonisamide; Menest; Selegiline Hydrochloride; Isosorbide Mononitrate



Possible Symmetrel side effects in female

Reported by a health professional (non-physician/pharmacist) from Germany on 2012-04-18

Patient: female

Reactions: Altered State of Consciousness, Convulsion

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Symmetrel
    Dosage: 100 mg
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-06-09
    End date: 2011-06-22

Memantine HCL
    Dosage: 5 mg
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-07-21
    End date: 2011-07-27

Memantine HCL
    Dosage: 10 mg
    Administration route: Oral
    Start date: 2011-07-28
    End date: 2011-08-03

Memantine HCL
    Dosage: 15 mg
    Administration route: Oral
    Start date: 2011-08-04
    End date: 2011-08-10

Memantine HCL
    Dosage: 20 mg
    Administration route: Oral
    Start date: 2011-08-11
    End date: 2011-11-18

Symmetrel
    Dosage: 50 mg
    Administration route: Oral
    Start date: 2011-06-23
    End date: 2011-10-26

Symmetrel
    Dosage: 100 mg
    Administration route: Oral
    Start date: 2011-10-27

Other drugs received by patient: Rozerem; Aricept



Possible Symmetrel side effects in 86 year old female

Reported by a health professional (non-physician/pharmacist) from Germany on 2012-02-24

Patient: 86 year old female

Reactions: Decreased Activity, Altered State of Consciousness, Somnolence, Convulsion

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Memantine Hydrochloride
    Dosage: 20 mg (20 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-08-11
    End date: 2011-11-18

Symmetrel
    Dosage: 100 mg (50 mg, 2 in 1 d), oral 50 mg (25 mg, 2 in 1 d), oral
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-06-09
    End date: 2011-06-22

Symmetrel
    Dosage: 100 mg (50 mg, 2 in 1 d), oral 50 mg (25 mg, 2 in 1 d), oral
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-06-23
    End date: 2011-10-26

Memantine Hydrochloride
    Dosage: 5 mg (5 mg, 1 in 1 d), oral 10 mg (10 mg, 1 in 1 d), oral 15 mg (15 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-08-04
    End date: 2011-08-10

Memantine Hydrochloride
    Dosage: 5 mg (5 mg, 1 in 1 d), oral 10 mg (10 mg, 1 in 1 d), oral 15 mg (15 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-07-28
    End date: 2011-08-03

Memantine Hydrochloride
    Dosage: 5 mg (5 mg, 1 in 1 d), oral 10 mg (10 mg, 1 in 1 d), oral 15 mg (15 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-07-21
    End date: 2011-07-27

Symmetrel
    Dosage: 100 mg (50 mg, 2 in 1 d), oral
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-10-27

Other drugs received by patient: Rozerem (Ramelteon) (Ramelteon); Aricept D (Donepezil Hydrochloride) (Donepezil Hydrochloride)



Possible Symmetrel side effects in 86 year old female

Reported by a pharmacist from Germany on 2012-02-17

Patient: 86 year old female

Reactions: Decreased Activity, Altered State of Consciousness, Somnolence, Sluggishness, Convulsion

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Symmetrel
    Dosage: 100;50 mg (50 mg, 2 in 1 d), oral
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-06-09
    End date: 2011-06-22

Symmetrel
    Dosage: 100;50 mg (50 mg, 2 in 1 d), oral
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-06-23
    End date: 2011-10-26

Memantine Hydrochloride
    Dosage: 5;10;15 mg (5 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-08-04
    End date: 2011-08-10

Memantine Hydrochloride
    Dosage: 5;10;15 mg (5 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-07-21
    End date: 2011-07-27

Memantine Hydrochloride
    Dosage: 5;10;15 mg (5 mg, 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-07-28
    End date: 2011-08-03

Memantine Hydrochloride
    Dosage: 20 mg (20 mg 1 in 1 d), oral
    Administration route: Oral
    Indication: Dementia Alzheimer's Type
    Start date: 2011-08-11
    End date: 2011-11-18

Symmetrel
    Dosage: 100 mg (50 mg, 2 in 1 d), oral
    Administration route: Oral
    Indication: Cerebral Infarction
    Start date: 2011-10-27

Other drugs received by patient: Aricept; Rozerem

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