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Dilantin-125 (Phenytoin) - Anticonvulsant Drug Level Decreased - Suspected Cause - Side Effect Reports

 
 



Index of reports > Cases with Anticonvulsant Drug Level Decreased (14)

Below is the selection of side effect reports (a.k.a. adverse event reports) related to Dilantin-125 (Phenytoin) where reactions include anticonvulsant drug level decreased. The selected reports were submitted to the FDA during the sample period of about a year.

Possible Dilantin-125 side effects in 43 year old female

Reported by a consumer/non-health professional from United States on 2012-08-17

Patient: 43 year old female, weighing 95.0 kg (209.0 pounds)

Reactions: Anticonvulsant Drug Level Decreased, Coma, Headache, Toxicity To Various Agents, Stress, Convulsion, Bronchitis, Emotional Disorder, Influenza

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Klonopin
    Dosage: 2 mg, 3x/day
    Administration route: Oral
    Indication: Convulsion
    Start date: 2004-01-01

Dilantin-125
    Dosage: 100 mg,5x/day
    Start date: 2006-01-01
    End date: 2011-01-01

Other drugs received by patient: Bentyl; Bentyl; Benadryl; Symbicort; Acetaminophen, Aspirin, and Codeine Phosphate; Nexium; Nexium; Bentyl; Nexium; Bentyl; Promethazine Hydrochloride; Promethazine Hydrochloride; Symbicort; Bentyl



Possible Dilantin-125 side effects in 43 year old female

Reported by a consumer/non-health professional from United States on 2012-08-08

Patient: 43 year old female, weighing 95.0 kg (209.0 pounds)

Reactions: Anticonvulsant Drug Level Decreased, Coma, Toxicity To Various Agents, Headache, Stress, Convulsion, Bronchitis, Emotional Disorder, Influenza

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 100 mg,5x/day
    Start date: 2006-01-01
    End date: 2011-01-01

Klonopin
    Dosage: 2 mg, 3x/day
    Administration route: Oral
    Indication: Convulsion
    Start date: 2004-01-01

Other drugs received by patient: Bentyl; Promethazine Hydrochloride; Nexium; Acetaminophen, Aspirin, and Codeine Phosphate; Benadryl; Bentyl; Bentyl; Nexium; Symbicort; Symbicort; Bentyl; Promethazine Hydrochloride; Bentyl; Nexium



Possible Dilantin-125 side effects in male

Reported by a pharmacist from United States on 2012-05-02

Patient: male

Reactions: Anticonvulsant Drug Level Decreased, Poor Quality Drug Administered, Gastroenteritis Viral, Convulsion

Drug(s) suspected as cause:
Dilantin-125



Possible Dilantin-125 side effects in female

Reported by a health professional (non-physician/pharmacist) from United States on 2012-05-02

Patient: female

Reactions: Pneumonia, Anticonvulsant Drug Level Decreased, Drug Level Decreased, Convulsion

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Butrans
    Dosage: 10 mcg/hr, weekly
    Indication: Osteoarthritis
    Start date: 2012-01-17
    End date: 2012-03-12

Tramadol HCL
    Dosage: 50 mg, 4x/day every 6 hours
    Indication: Osteoarthritis
    Start date: 2012-02-14

Butrans
    Indication: Breakthrough Pain

Dilantin-125
    Dosage: 160mg every am and 200mg every pm
    Indication: Convulsion
    Start date: 2007-08-09

Morphine Sulfate
    Dosage: unk
    Indication: Breakthrough Pain

Tramadol HCL
    Indication: Breakthrough Pain



Possible Dilantin-125 side effects in male

Reported by a health professional (non-physician/pharmacist) from United States on 2012-03-09

Patient: male, weighing 113.4 kg (249.4 pounds)

Reactions: Drug Hypersensitivity, Ataxia, Anticonvulsant Drug Level Decreased, Toxicity To Various Agents, Thermal Burn, Suicidal Ideation, Balance Disorder, Depression

Drug(s) suspected as cause:
Phenytoin
    Dosage: unk
    Indication: Convulsion

Dilantin-125
    Dosage: 400 mg, unk
    Administration route: Oral
    Indication: Convulsion

Dilantin-125
    Dosage: 100 mg,5 per day

Keppra
    Indication: Convulsion
    Start date: 2010-06-06
    End date: 2010-06-16

Topamax
    Dosage: frequency: 2x/day,
    Indication: Convulsion
    Start date: 2010-01-01



Possible Dilantin-125 side effects in female

Reported by a consumer/non-health professional from United States on 2012-03-05

Patient: female, weighing 68.0 kg (149.7 pounds)

Reactions: Anticonvulsant Drug Level Decreased

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 50 mg daily
    Start date: 2011-10-25
    End date: 2011-11-01

Dilantin-125
    Dosage: 100 mg, unk

Dilantin-125
    Dosage: 300mg daily on wed, fri, sun and 200mg daily on mon, tues, thurs, sat
    Indication: Epilepsy
    Start date: 1980-01-01
    End date: 2011-10-24

Phenytoin
    Dosage: unk

Dilantin-125
    Dosage: 50mg ^4 each night^

Chlordiazepoxide HCL W / Clidinium Bromide
    Dosage: 5/2.5 mg, daily
    Administration route: Oral
    Indication: Irritable Bowel Syndrome

Other drugs received by patient: Aggrenox; Synthroid; Atenolol; Zetia; Pravastatin; Symbicort



Possible Dilantin-125 side effects in female

Reported by a consumer/non-health professional from United States on 2012-02-13

Patient: female, weighing 68.0 kg (149.7 pounds)

Reactions: Anticonvulsant Drug Level Decreased

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 50mg ^4 each night^

Dilantin-125
    Dosage: 50 mg daily
    Start date: 2011-10-25
    End date: 2011-11-01

Dilantin-125
    Dosage: 300mg daily on wed, fri, sun and 200mg daily on mon, tues, thurs, sat
    Indication: Epilepsy
    Start date: 1980-01-01
    End date: 2011-10-24

Phenytoin
    Dosage: unk

Chlordiazepoxide HCL W / Clidinium Bromide
    Dosage: 5/2.5 mg, daily
    Administration route: Oral
    Indication: Irritable Bowel Syndrome

Dilantin-125
    Dosage: 100 mg, unk

Other drugs received by patient: Zetia; Aggrenox; Atenolol; Pravastatin; Symbicort; Synthroid



Possible Dilantin-125 side effects in male

Reported by a consumer/non-health professional from United States on 2012-02-09

Patient: male

Reactions: Grand MAL Convulsion, Nasopharyngitis, Drug Ineffective, Hypoglycaemia, Anticonvulsant Drug Level Decreased, Petit MAL Epilepsy, Convulsion

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 500 mg, daily
    Indication: Convulsion
    Start date: 1989-01-01

Acetaminophen
    Dosage: unk
    Indication: Nasopharyngitis

Dilantin-125
    Dosage: 500 mg one day and 600 mg other day, unk



Possible Dilantin-125 side effects in male

Reported by a physician from United States on 2012-01-31

Patient: male, weighing 113.4 kg (249.4 pounds)

Reactions: Drug Hypersensitivity, Anticonvulsant Drug Level Decreased, Ataxia, Toxicity To Various Agents, Thermal Burn, Suicidal Ideation, Balance Disorder, Depression

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 100 mg,5 per day

Topamax
    Dosage: frequency: 2x/day,
    Indication: Convulsion
    Start date: 2010-01-01

Phenytoin
    Dosage: unk
    Indication: Convulsion

Dilantin-125
    Dosage: 400 mg, unk
    Administration route: Oral
    Indication: Convulsion

Keppra
    Indication: Convulsion
    Start date: 2010-06-06
    End date: 2010-06-16



Possible Dilantin-125 side effects in female

Reported by a consumer/non-health professional from United States on 2012-01-18

Patient: female, weighing 68.0 kg (149.7 pounds)

Reactions: Anticonvulsant Drug Level Decreased

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 100 mg, unk

Dilantin-125
    Dosage: 50mg ^4 each night^

Dilantin-125
    Dosage: 300mg daily on wed, fri, sun and 200mg daily on mon, tues, thurs, sat
    Indication: Epilepsy
    Start date: 1980-01-01
    End date: 2011-10-24

Phenytoin
    Dosage: unk

Dilantin-125
    Dosage: 50 mg daily
    Start date: 2011-10-25
    End date: 2011-11-01

Chlordiazepoxide HCL W / Clidinium Bromide
    Dosage: 5/2.5 mg, daily
    Administration route: Oral
    Indication: Irritable Bowel Syndrome

Other drugs received by patient: Zetia; Atenolol; Symbicort; Pravastatin; Aggrenox; Synthroid



Possible Dilantin-125 side effects in male

Reported by a consumer/non-health professional from United States on 2012-01-13

Patient: male

Reactions: Grand MAL Convulsion, Nasopharyngitis, Drug Ineffective, Hypoglycaemia, Anticonvulsant Drug Level Decreased, Petit MAL Epilepsy, Convulsion

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 500 mg one day and 600 mg other day, unk

Dilantin-125
    Dosage: 500 mg, daily
    Indication: Convulsion
    Start date: 1989-01-01

Acetaminophen
    Dosage: unk
    Indication: Nasopharyngitis



Possible Dilantin-125 side effects in male

Reported by a consumer/non-health professional from United States on 2011-10-26

Patient: male, weighing 130.0 kg (286.0 pounds)

Reactions: Anxiety, Panic Attack, Insomnia, Anticonvulsant Drug Level Decreased, Mood Swings, Suicidal Ideation, Convulsion

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Dilantin-125
    Dosage: unk
    Administration route: Oral
    Indication: Convulsion
    End date: 2011-08-01

Dilantin-125
    Dosage: 600 mg, unk
    Administration route: Oral
    Start date: 2011-01-01
    End date: 2011-01-01

Dilantin-125
    Dosage: 900 mg, unk
    Administration route: Oral
    Start date: 2011-01-01

Dilantin-125
    Dosage: 200 mg, unk
    Administration route: Oral
    Start date: 2011-08-01
    End date: 2011-01-01

Dilantin-125
    Dosage: 900 mg, unk
    Administration route: Oral
    Start date: 2011-08-01
    End date: 2011-08-01



Possible Dilantin-125 side effects in female

Reported by a health professional (non-physician/pharmacist) from United States on 2011-10-21

Patient: female, weighing 79.4 kg (174.6 pounds)

Reactions: Anticonvulsant Drug Level Increased, Anticonvulsant Drug Level Decreased, Convulsion

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 430 mg, 1x/day
    Indication: Convulsion

Dilantin
    Dosage: unk
    Administration route: Oral
    Indication: Convulsion
    Start date: 1975-01-01

Phenytoin
    Dosage: unk
    Indication: Convulsion



Possible Dilantin-125 side effects in male

Reported by a consumer/non-health professional from United States on 2011-10-07

Patient: male, weighing 73.9 kg (162.7 pounds)

Reactions: Malabsorption, Anticonvulsant Drug Level Decreased, Somnolence, Convulsion, Irritability, Fatigue, Injury, Nervousness

Drug(s) suspected as cause:
Dilantin-125
    Dosage: 400mg daily
    Indication: Epilepsy

Phenytoin
    Dosage: unk

Dilantin-125
    Dosage: 300mg daily

Other drugs received by patient: Diamox SRC

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