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Phenytoin (Phenytoin) - Ataxia - Suspected Cause - Side Effect Reports

 
 



Index of reports > Cases with Ataxia (22)

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

Possible Phenytoin side effects in 21 year old male

Reported by a health professional (non-physician/pharmacist) from India on 2012-07-10

Patient: 21 year old male

Reactions: Headache, Pyrexia, Treatment Noncompliance, Cerebellar Atrophy, Speech Disorder, Nystagmus, Anticonvulsant Drug Level Increased, Coordination Abnormal, Vomiting, Ataxia, Toxicity To Various Agents, Grand MAL Convulsion, Intention Tremor, Hypotonia, Vision Blurred, Gait Disturbance

Adverse event resulted in: hospitalization, disablity

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient: Methaqualone TAB



Possible Phenytoin side effects in

Reported by a individual with unspecified qualification from United States on 2012-07-09

Patient:

Reactions: Incorrect Dose Administered, Urinary Tract Infection, Ataxia, Anticonvulsant Drug Level Decreased, Headache, Diplopia, Nystagmus, Balance Disorder, Blood Potassium Decreased, Medication Error, Anticonvulsant Drug Level Increased, Dizziness, Infection

Drug(s) suspected as cause:
Phenytoin



Possible Phenytoin side effects in 21 year old male

Reported by a physician from India on 2012-06-22

Patient: 21 year old male

Reactions: Ataxia, Drug Interaction, Toxicity To Various Agents, Cerebellar Atrophy, Grand MAL Convulsion, Dysarthria, Anticonvulsant Drug Level Above Therapeutic, Intention Tremor, Nystagmus, Hypotonia, Vision Blurred, Gait Disturbance, Coordination Abnormal

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Methaqualone TAB
    Dosage: 250 mg;bid;

Phenytoin
    Dosage: 300 mg;qd; 300 mg;qd;
    Indication: Epilepsy

Phenytoin
    Dosage: 300 mg;qd; 300 mg;qd;
    Indication: Epilepsy



Possible Phenytoin side effects in 42 year old male

Reported by a pharmacist from United States on 2012-04-16

Patient: 42 year old male, weighing 111.0 kg (244.2 pounds)

Reactions: Nystagmus, Ataxia, Toxicity To Various Agents, Accidental Overdose

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Phenytoin



Possible Phenytoin side effects in 54 year old male

Reported by a pharmacist from United States on 2012-04-05

Patient: 54 year old male, weighing 80.9 kg (178.0 pounds)

Reactions: Product Substitution Issue, Asterixis, Ataxia, Gait Disturbance, Toxicity To Various Agents, Fall, RIB Fracture

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Phenytoin



Possible Phenytoin 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:
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

Phenytoin
    Dosage: unk
    Indication: Convulsion

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



Possible Phenytoin side effects in 64 year old female

Reported by a individual with unspecified qualification from Canada on 2012-03-08

Patient: 64 year old female

Reactions: Colon Cancer Metastatic, Ataxia, Hyperreflexia, Drug Interaction, Anticonvulsant Drug Level Decreased, Toxicity To Various Agents, Somnolence, Balance Disorder, Dizziness, Gait Disturbance

Drug(s) suspected as cause:
Fluorouracil
    Indication: Colon Cancer

Phenytoin
    Indication: Epilepsy

Other drugs received by patient: Calcium Carbonate; Venlafaxine; Etidronate Disodium; Irinotecan HCL; Docusate Sodium; Leucovorin Calcium; Cetuximab



Possible Phenytoin 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

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

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

Phenytoin
    Dosage: unk
    Indication: Convulsion

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



Possible Phenytoin side effects in 64 year old female

Reported by a physician from Canada on 2012-01-17

Patient: 64 year old female

Reactions: Drug Interaction, Hyperreflexia, Ataxia, Toxicity To Various Agents, Somnolence, Anticonvulsant Drug Level Below Therapeutic, Anticonvulsant Drug Level Above Therapeutic, Balance Disorder, Dizziness, Gait Disturbance

Drug(s) suspected as cause:
Fluorouracil
    Indication: Chemotherapy

Phenytoin
    Dosage: 200 mg; tid; po
    Administration route: Oral
    Indication: Epilepsy

Other drugs received by patient: Venlafaxine HCL Extended-Release; Irinotecan HCL; Etidronate and Calcium Carbonate; Leucovorin Calcium; Docusate Sodium



Possible Phenytoin side effects in 64 year old female

Reported by a health professional (non-physician/pharmacist) from Canada on 2012-01-10

Patient: 64 year old female

Reactions: Anticonvulsant Drug Level Above Therapeutic, Balance Disorder, Abasia, Hyperreflexia, Drug Interaction, Dizziness, Ataxia, Toxicity To Various Agents, Somnolence

Drug(s) suspected as cause:
Fluorouracil
    Dosage: 7 cycles
    Indication: Colorectal Cancer Metastatic

Irinotecan HCL
    Dosage: 7 cycles
    Indication: Colorectal Cancer Metastatic

Leucovorin Sodium
    Dosage: 7 cycles
    Indication: Colorectal Cancer Metastatic

Phenytoin
    Dosage: 200 mg;tid
    Indication: Epilepsy
    Start date: 1994-01-01

Other drugs received by patient: Venlafaxine; Etidronate Disodium; Docusate Sodium; Calcium Carbonate



Possible Phenytoin side effects in 69 year old male

Reported by a pharmacist from United States on 2012-01-05

Patient: 69 year old male, weighing 56.3 kg (123.9 pounds)

Reactions: Confusional State, Nystagmus, Sedation, Dizziness, Ataxia, Fall

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Phenytoin



Possible Phenytoin side effects in female

Reported by a consumer/non-health professional from Canada on 2012-01-03

Patient: female, weighing 49.9 kg (109.8 pounds)

Reactions: Weight Decreased, Increased Appetite, Personality Disorder, Nystagmus, Tracheitis, Nervousness, Crying, Lyme Disease, Abnormal Sleep-Related Event, Dysphagia, Pain in Extremity, Ataxia, Toxicity To Various Agents, Hypoaesthesia, Paraesthesia, Areflexia, Hyporeflexia, Central Nervous System Lesion, Dyskinesia, Drug Interaction, Somnolence, Fall, Drop Attacks, Speech Disorder, Fatigue, Anticonvulsant Drug Level Increased, Depression, Sinusitis, Cervix Carcinoma, Drug Effect Increased, Nausea, Cholecystitis Acute, Anticonvulsant Drug Level Decreased, Muscular Weakness, Mental Impairment, Dysarthria, Vibratory Sense Increased, Gait Disturbance, Bronchitis, Blood Pressure Decreased, Feeling Abnormal, Bradyphrenia, Asthenia

Drug(s) suspected as cause:
Bactrim

Carboplatin
    Indication: Cervix Carcinoma
    Start date: 2011-08-01

Clarithromycin

Minocycline HCL

Phenobarbital TAB
    Start date: 1974-11-01
    End date: 2011-10-27

Phenytoin
    Dosage: 78.5714 milligram;
    Administration route: Oral
    Indication: Post-Traumatic Epilepsy
    Start date: 1989-01-01
    End date: 2011-10-27

Phenytoin
    Dosage: 214.2857 milligram; 300 mg, 5 times a week at bedtime
    Administration route: Oral
    Indication: Convulsion
    Start date: 1974-11-01
    End date: 1989-01-01

Other drugs received by patient: Levothyroxine Sodium; Amoxicillin



Possible Phenytoin side effects in 44 year old male

Reported by a pharmacist from United States on 2011-12-30

Patient: 44 year old male, weighing 63.8 kg (140.4 pounds)

Reactions: Blood Albumin Increased, Anticonvulsant Drug Level Increased, Ataxia, Asthenia

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Phenytoin



Possible Phenytoin side effects in 64 year old female

Reported by a health professional (non-physician/pharmacist) from Canada on 2011-12-21

Patient: 64 year old female

Reactions: Anticonvulsant Drug Level Increased, Ataxia, Hyperreflexia, Drug Interaction, Dizziness, Toxicity To Various Agents, Somnolence

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient possibly interacting with the suspect drug:
Fluorouracil
    Dosage: unk
    Indication: Chemotherapy

Irinotecan HCL
    Dosage: unk

Leucovorin Calcium
    Dosage: unk

Other drugs received by patient: Etidronate Disodium; Calcium Carbonate; Docusate Sodium; Venlafaxine



Possible Phenytoin side effects in 76 year old female

Reported by a physician from United States on 2011-12-11

Patient: 76 year old female

Reactions: Haemorrhage, Skin Disorder, Ataxia, Drug Interaction, Toxicity To Various Agents, Fall, Breast Cancer Metastatic, Fatigue, Sedation, Metastases To Bone

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient possibly interacting with the suspect drug:
Capecitabine
    Dosage: initial dose 2000 mg/day, 2 weeks on and 2 weeks off
    Indication: Metastases To Bone
    Start date: 2008-06-18

Other drugs received by patient: Glucosamine; Hydrochlorothiazide; Naproxen Sodium; Zoledronic Acid; Enalapril Maleate; Levothyroxine Sodium; Fulvestrant



Possible Phenytoin side effects in 67 year old female

Reported by a individual with unspecified qualification from United States on 2011-12-01

Patient: 67 year old female

Reactions: Bipolar I Disorder, Ataxia, Toxicity To Various Agents, Inhibitory Drug Interaction, Fall

Drug(s) suspected as cause:
Oxcarbazepine
    Dosage: 300 mg, 2 in 1 d
    Indication: Convulsion Prophylaxis

Phenytoin
    Dosage: 460 mg
    Indication: Convulsion Prophylaxis

Other drugs received by patient: Topiramate; Clonazepam; Quetiapine



Possible Phenytoin side effects in 76 year old female

Reported by a health professional (non-physician/pharmacist) from United States on 2011-11-09

Patient: 76 year old female

Reactions: Ataxia, Drug Interaction, Toxicity To Various Agents, Fall, Skin Fissures, Convulsion, Fatigue, Breast Cancer Metastatic, Insomnia, Sedation, Skin Haemorrhage

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient: Naproxen Sodium; Multi-Vitamin; Glucosamine; Hydrochlorothiazide; Enalapril Maleate; Levothyroxine Sodium



Possible Phenytoin side effects in 38 year old male

Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2011-11-04

Patient: 38 year old male

Reactions: Drug Level Increased, Drug Interaction, Ataxia

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Phenytoin
    Indication: Product Used FOR Unknown Indication

Stelara
    Dosage: 45 mg milligram(s), subcutaneous
    Indication: Psoriasis



Possible Phenytoin side effects in 38 year old male

Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2011-10-24

Patient: 38 year old male

Reactions: Drug Level Increased, Ataxia, Drug Interaction

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient possibly interacting with the suspect drug:
Stelara
    Dosage: 45 mg, unk
    Indication: Psoriasis
    Start date: 2011-01-01



Possible Phenytoin side effects in 38 year old male

Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2011-10-19

Patient: 38 year old male

Reactions: Drug Level Increased, Gamma-Glutamyltransferase Increased, Drug Interaction, Ataxia, Toxicity To Various Agents, Epilepsy

Drug(s) suspected as cause:
Phenytoin
    Indication: Product Used FOR Unknown Indication

Stelara
    Dosage: 45 mg milligram(s), , subcutaneous
    Indication: Psoriasis



Possible Phenytoin side effects in 76 year old female

Reported by a physician from United States on 2011-10-19

Patient: 76 year old female

Reactions: Fatigue, Anticonvulsant Drug Level Increased, Sedation, Drug Interaction, Ataxia

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient possibly interacting with the suspect drug:
Capecitabine
    Dosage: 2000 mg/day, 2 weeks on and 2 weeks off
    Indication: Metastatic Neoplasm
    Start date: 2008-06-18

Other drugs received by patient: Levothyroxine; Fulvestrant; Zoledronic Acid; Multi-Vitamins; Glucosamine; Hydrochlorothiazide; Naproxen Sodium; Enalapril



Possible Phenytoin side effects in 38 year old male

Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2011-10-13

Patient: 38 year old male

Reactions: Drug Level Increased, Ataxia, Drug Interaction

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Phenytoin

Other drugs received by patient possibly interacting with the suspect drug:
Stelara
    Dosage: 45 mg, unk
    Indication: Psoriasis
    Start date: 2011-01-01

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