Index of reports
> Cases with Encephalopathy (42)
Below is the selection of side effect reports (a.k.a. adverse event reports) related to Valtrex (Valacyclovir) where reactions include encephalopathy. The selected reports were submitted to the FDA during the sample period of about a year.
Reports 1 - 30 of 42 Next >>
Possible Valtrex side effects in 93 year old female
Reported by a physician from Japan on 2012-08-13
Patient: 93 year old female, weighing 37.0 kg (81.4 pounds)
Reactions: Hyperventilation, Soliloquy, Dyskinesia, Abnormal Behaviour, Encephalopathy, Somnolence, Logorrhoea
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in male
Reported by a pharmacist from Japan on 2012-08-08
Patient: male
Reactions: Overdose, Depressed Level of Consciousness, Encephalopathy, Nervous System Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Warfarin Sodium; Furosemide; Aspirin; Rocaltrol
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-08-01
Patient: female, weighing 39.0 kg (85.8 pounds)
Reactions: Dizziness, Encephalopathy, Gait Disturbance, Feeling Abnormal
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Norvasc; Crestor; Precipitated Calcium Carbonate; Nalfurafine Hydrochloride
Possible Valtrex side effects in 71 year old female
Reported by a physician from Japan on 2012-07-25
Patient: 71 year old female, weighing 37.0 kg (81.4 pounds)
Reactions: Encephalopathy, CSF Cell Count Increased, Pyrexia, Speech Disorder, Dysstasia, Dizziness, Meningitis, Altered State of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Ceftriaxone
Possible Valtrex side effects in male
Reported by a physician from Japan on 2012-07-23
Patient: male
Reactions: Restlessness, Dehydration, Encephalopathy, Blood Creatinine Increased, Hallucination, Renal Failure Acute
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Aspirin
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Valtrex
Dosage: 3000mg per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2012-03-09
End date: 2012-03-12
Other drugs received by patient: Furosemide; Urinorm; Calblock; Carvedilol; Vitamin B12; Plavix; Crestor; Azunol; Famotidine; Enalapril Maleate; Allopurinol; Anplag
Possible Valtrex side effects in male
Reported by a physician from Japan on 2012-07-23
Patient: male
Reactions: Renal Failure, Encephalopathy, Altered State of Consciousness, Infection
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-07-10
Patient: female, weighing 39.0 kg (85.8 pounds)
Reactions: Encephalopathy, Dizziness, Gait Disturbance, Feeling Abnormal
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Precipitated Calcium Carbonate; Remitch (Nalfurafine Hydrochloride); Crestor; Norvasc
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-07-05
Patient: female, weighing 47.0 kg (103.4 pounds)
Reactions: Femur Fracture, Scab, Disorientation, Fall, Somnolence, Groin Pain, Dyslalia, Loss of Consciousness, Joint Range of Motion Decreased, Pleural Effusion, Encephalopathy, Rash, Convulsion, Dysarthria, Depressed Level of Consciousness, Altered State of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Zovirax
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-07-03
Patient: female
Reactions: Dizziness, Encephalopathy, Gait Disturbance, Feeling Abnormal
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Precipitated Calcium Carbonate; Norvasc; Crestor; Remitch (Nalfurafine Hydrochloride)
Possible Valtrex side effects in 17 year old female
Reported by a physician from United States on 2012-07-02
Patient: 17 year old female, weighing 74.4 kg (163.7 pounds)
Reactions: Agitation, Tachycardia, Coagulopathy, Blood Albumin Decreased, Treatment Noncompliance, Herpes Zoster, Rash Pruritic, Metapneumovirus Infection, Nystagmus, Oedema Peripheral, Deafness Unilateral, Menorrhagia, Feeling of Despair, Metabolic Acidosis, Rhinovirus Infection, Pain in Extremity, Family Stress, Anaemia, Encephalopathy, Toxicity To Various Agents, Cardiomyopathy, Tremor, Aggression, Hepatic Steatosis, Fungal Infection, Dehydration, Rash Erythematous, Aspartate Aminotransferase Increased, Pancreatitis, Haemolytic Anaemia, Diabetic Ketoacidosis, Mobility Decreased, Electrocardiogram QT Prolonged, Atelectasis, Otitis Media Chronic, Suicidal Ideation, Hypokalaemia, Speech Disorder, Myalgia, Fungaemia, Arthritis Reactive, Pleural Effusion, Tachypnoea, Opportunistic Infection, Depression, Apparent Life Threatening Event, Electrolyte Imbalance, Thrombocytopenia, Lethargy, Self-Injurious Ideation, Blood Glucose Increased, Renal Failure Acute, Pneumonia Bordetella, Fluid Overload, Type 2 Diabetes Mellitus, Alanine Aminotransferase Increased, Musculoskeletal Pain, Hyponatraemia, Ear Infection, Diarrhoea, Arthralgia, Sepsis, Progressive Multifocal Leukoencephalopathy
Adverse event resulted in: life threatening event, hospitalization
Drug(s) suspected as cause:
Isentress
Dosage: 400 mg/bid/po
Administration route: Oral
Indication: HIV Infection
Start date: 2008-02-08
End date: 2009-01-14
Ceftazidime
Dosage: /q8h/iv
Indication: Pneumonia
End date: 2010-05-12
Enalapril Maleate
Dosage: /bid/po
Administration route: Oral
Indication: Cardiomyopathy
End date: 2010-05-12
Valtrex
Dosage: /bid/po
Administration route: Oral
Indication: Prophylaxis
End date: 2010-05-12
Vancomycin
Dosage: /q8h/iv
Indication: Pyrexia
End date: 2010-05-12
Other drugs received by patient: Pentamidine Isethionate
Possible Valtrex side effects in female
Reported by a pharmacist from Japan on 2012-06-27
Patient: female, weighing 46.0 kg (101.2 pounds)
Reactions: Retrograde Amnesia, Abasia, Encephalopathy, Abnormal Behaviour, Mental Impairment, Activities of Daily Living Impaired, Apraxia, Hemisensory Neglect, Dizziness, Disturbance in Attention
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Lendormin; Risedronate Sodium; Edirol; Amlodipine; Candesartan Cilexetil
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-06-21
Patient: female
Reactions: Blood Urea Increased, Encephalopathy, Ataxia, Thirst, Loss of Consciousness, Cholelithiasis, Speech Disorder, Blood Sodium Decreased, Blood Creatinine Increased, Renal Failure Acute
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Zetia; Arasena-A; Gascon; Candesartan Cilexetil; Magnesium Oxide
Possible Valtrex side effects in
Reported by a pharmacist from Japan on 2012-06-21
Patient:
Reactions: Dialysis, Encephalopathy, Accidental Overdose
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in female
Reported by a pharmacist from Japan on 2012-06-18
Patient: female, weighing 46.0 kg (101.2 pounds)
Reactions: Retrograde Amnesia, Abasia, Abnormal Behaviour, Encephalopathy, Mental Impairment, Activities of Daily Living Impaired, Apraxia, Hemisensory Neglect, Dizziness, Disturbance in Attention
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Risedronate Sodium; Lendormin; Candesartan Cilexetil; Amlodipine; Edirol
Possible Valtrex side effects in 70 year old female
Reported by a pharmacist from Japan on 2012-06-12
Patient: 70 year old female, weighing 42.0 kg (92.4 pounds)
Reactions: Renal Impairment, Encephalopathy, Disturbance in Attention, Blood Creatinine Increased, Altered State of Consciousness, Thalamic Infarction
Drug(s) suspected as cause:
Valtrex
Dosage: 3000mg per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2011-08-05
End date: 2011-08-09
Valtrex
Dosage: 2000mg per day
Start date: 2011-08-10
End date: 2011-08-10
Valtrex
Dosage: 1000mg per day
Start date: 2011-08-11
End date: 2011-08-11
Possible Valtrex side effects in 83 year old female
Reported by a physician from Japan on 2012-06-08
Patient: 83 year old female
Reactions: Agitation, Dizziness, Encephalopathy, Nephropathy
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Vidarabine
Possible Valtrex side effects in 60 year old female
Reported by a physician from Japan on 2012-05-25
Patient: 60 year old female
Reactions: Dysarthria, Encephalopathy, Dizziness, Blood Creatinine Increased, Renal Failure Acute, Decreased Appetite
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-05-25
Patient: female
Reactions: Vomiting, Encephalopathy, Dysarthria, Malaise, Renal Impairment, Dizziness, Blood Creatinine Increased, Decreased Appetite, Renal Failure Acute
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Amaryl; Metformin HCL; Micardis; Glucobay; Norvasc
Possible Valtrex side effects in 63 year old female
Reported by a physician from Japan on 2012-05-22
Patient: 63 year old female, weighing 47.0 kg (103.4 pounds)
Reactions: Femur Fracture, Scab, Encephalopathy, Rash, Convulsion, Groin Pain, Dyslalia, Dysarthria, Joint Range of Motion Decreased, Pleural Effusion, Altered State of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Acyclovir
Possible Valtrex side effects in 60 year old female
Reported by a consumer/non-health professional from Japan on 2012-05-17
Patient: 60 year old female
Reactions: Dysarthria, Dizziness, Encephalopathy, Decreased Appetite, Renal Failure Acute
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in male
Reported by a physician from Japan on 2012-05-14
Patient: male, weighing 45.0 kg (99.0 pounds)
Reactions: Renal Disorder, Encephalopathy, Muscular Weakness, Dyslalia, Renal Failure Acute, Decreased Appetite
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Vitamin B12; Etodolac; Flivastatin Sodium
Possible Valtrex side effects in male
Reported by a physician from Japan on 2012-04-30
Patient: male
Reactions: Renal Disorder, Encephalopathy, Muscular Weakness, Renal Failure Acute, Dyslalia, Decreased Appetite
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Vitamin B12; Etodolac; Flivas
Possible Valtrex side effects in 63 year old female
Reported by a physician from Japan on 2012-04-30
Patient: 63 year old female, weighing 47.0 kg (103.4 pounds)
Reactions: Femur Fracture, Scab, Encephalopathy, Rash, Dyslalia, Convulsion, Groin Pain, Dysarthria, Joint Range of Motion Decreased, Pleural Effusion, Altered State of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Zovirax
Administration route: Oral
Indication: Herpes Zoster
Start date: 2011-01-01
End date: 2011-01-01
Valtrex
Administration route: Oral
Indication: Encephalitis Viral
Start date: 2011-01-01
End date: 2011-01-01
Possible Valtrex side effects in male
Reported by a physician from Japan on 2012-04-04
Patient: male
Reactions: Speech Disorder, Renal Impairment, Dehydration, Encephalopathy, Disorientation, Eating Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in male
Reported by a physician from Japan on 2012-04-04
Patient: male, weighing 51.0 kg (112.2 pounds)
Reactions: Hepatic Function Abnormal, Malaise, C-Reactive Protein Increased, Blood Creatinine Increased, Decreased Appetite, Blood Urea Increased, Blood Lactate Dehydrogenase Increased, Alanine Aminotransferase Increased, Encephalopathy, Blood Potassium Increased, Cerebral Atrophy, Renal Failure Chronic, Tremor, Dysstasia, Renal Impairment, Aspartate Aminotransferase Increased, Dehydration, Skin Erosion, Depressed Level of Consciousness, Asthenia
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Plavix; Celestamine TAB; Carvedilol; Vidarabine; Telmisartan / Hydrochlorothiazide
Possible Valtrex side effects in 84 year old female
Reported by a pharmacist from Japan on 2012-03-20
Patient: 84 year old female
Reactions: Encephalopathy, Gait Disturbance
Drug(s) suspected as cause:
Valtrex
Dosage: 500mg per day
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Start date: 2007-01-01
Dogmatyl
Indication: Product Used FOR Unknown Indication
Possible Valtrex side effects in female
Reported by a physician from Japan on 2012-03-07
Patient: female
Reactions: Blood Alkaline Phosphatase Increased, Electroencephalogram Abnormal, Gamma-Glutamyltransferase Increased, Encephalopathy, Dizziness, Nervous System Disorder, Cognitive Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Other drugs received by patient: Glimicron; Risedronate Sodium; Lipitor; Acyclovir; Basen
Possible Valtrex side effects in male
Reported by a pharmacist from Japan on 2012-02-21
Patient: male
Reactions: Blood Urea Increased, Urinary Tract Infection, Encephalopathy, Abnormal Behaviour, Tonic Convulsion, Fall, Logorrhoea, Dysarthria, C-Reactive Protein Increased, Azotaemia, Blood Creatinine Increased, Altered State of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
Dosage: 1500mg per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2011-12-13
End date: 2011-12-15
Warfarin Sodium
Dosage: 1mg per day
Administration route: Oral
Indication: Thrombosis
Eviprostat
Dosage: 3iuax per day
Administration route: Oral
Indication: Benign Prostatic Hyperplasia
Clarithromycin
Dosage: 200mg per day
Administration route: Oral
Indication: Chronic Obstructive Pulmonary Disease
Lansoprazole
Dosage: 15mg per day
Administration route: Oral
Indication: Gastric Ulcer
Hokunalin
Mucodyne
Dosage: 1500mg per day
Administration route: Oral
Indication: Chronic Obstructive Pulmonary Disease
Other drugs received by patient: Diflunisal; Ebrantil
Possible Valtrex side effects in 85 year old female
Reported by a physician from Japan on 2012-02-14
Patient: 85 year old female
Reactions: Urine Output Decreased, Blood Potassium Increased, Encephalopathy, Headache, Micturition Frequency Decreased, Abdominal Discomfort, Dyspepsia, Decreased Appetite, Renal Failure Acute
Drug(s) suspected as cause:
Valtrex
Possible Valtrex side effects in
Reported by a physician from Japan on 2012-02-14
Patient:
Reactions: Overdose, Encephalopathy
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Valtrex
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