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Zovirax (Acyclovir) - Encephalitis - Suspected Cause - Side Effect Reports

 
 



Index of reports > Cases with Encephalitis (8)

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

Possible Zovirax side effects in 18 year old male

Reported by a pharmacist from Austria on 2012-04-03

Patient: 18 year old male, weighing 66.0 kg (145.2 pounds)

Reactions: Personality Change, Immune Reconstitution Syndrome, Encephalitis, Pyrexia, Impulsive Behaviour, Device Related Infection, Suicidal Ideation, Herpes Zoster, C-Reactive Protein Increased, Circulatory Collapse, Mood Swings, Dysphagia, Lymphopenia, General Physical Health Deterioration, Pancytopenia, Muscle Twitching, Epilepsy, Tremor, Dysarthria, Hypophagia, Vertigo

Adverse event resulted in: hospitalization, disablity

Drug(s) suspected as cause:
Zovirax
    Indication: Product Used FOR Unknown Indication
    Start date: 2011-01-11
    End date: 2011-01-27

Zovirax
    Dosage: 800mg three times per day
    Administration route: Oral
    Indication: Prophylaxis
    Start date: 2010-07-18
    End date: 2010-12-26

Zovirax
    Dosage: 750mg three times per day
    Administration route: Oral
    Start date: 2010-12-30
    End date: 2011-01-05

Zovirax
    Dosage: 600mg three times per day
    Administration route: Oral
    Start date: 2011-01-08
    End date: 2011-01-11

Other drugs received by patient: Ganciclovir



Possible Zovirax side effects in 18 year old male

Reported by a pharmacist from Austria on 2012-03-19

Patient: 18 year old male, weighing 66.0 kg (145.2 pounds)

Reactions: Personality Change, Immune Reconstitution Syndrome, Encephalitis, Impulsive Behaviour, Pyrexia, Device Related Infection, Suicidal Ideation, Herpes Zoster, C-Reactive Protein Increased, Circulatory Collapse, Mood Swings, Dysphagia, Lymphopenia, Pancytopenia, General Physical Health Deterioration, Muscle Twitching, Epilepsy, Tremor, Dysarthria, Hypophagia, Vertigo

Adverse event resulted in: hospitalization, disablity

Drug(s) suspected as cause:
Zovirax
    Dosage: 800mg three times per day
    Administration route: Oral
    Indication: Prophylaxis
    Start date: 2010-07-18
    End date: 2010-12-26

Zovirax
    Administration route: Oral
    Indication: Product Used FOR Unknown Indication
    Start date: 2011-01-11
    End date: 2011-01-27

Zovirax
    Dosage: 600mg three times per day
    Administration route: Oral
    Start date: 2011-01-08
    End date: 2011-01-11

Zovirax
    Dosage: 750mg three times per day
    Administration route: Oral
    Start date: 2010-12-30
    End date: 2011-01-05

Other drugs received by patient: Ganciclovir



Possible Zovirax side effects in 18 year old male

Reported by a physician from Austria on 2012-02-27

Patient: 18 year old male, weighing 66.0 kg (145.2 pounds)

Reactions: Personality Change, Immune Reconstitution Syndrome, Encephalitis, Pyrexia, Device Related Infection, Impulsive Behaviour, Suicidal Ideation, Herpes Zoster, C-Reactive Protein Increased, Circulatory Collapse, Mood Swings, Dysphagia, Lymphopenia, General Physical Health Deterioration, Pancytopenia, Epilepsy, Muscle Twitching, Tremor, Dysarthria, Hypophagia, Vertigo

Adverse event resulted in: hospitalization, disablity

Drug(s) suspected as cause:
Zovirax
    Dosage: 800mg three times per day
    Administration route: Oral
    Indication: Prophylaxis
    Start date: 2010-06-18
    End date: 2010-12-26

Zovirax
    Administration route: Oral
    Start date: 2011-01-11
    End date: 2011-01-27

Zovirax
    Administration route: Oral
    Indication: Product Used FOR Unknown Indication
    Start date: 2010-12-31
    End date: 2010-12-31

Other drugs received by patient: Ganciclovir



Possible Zovirax side effects in 18 year old male

Reported by a physician from Austria on 2012-02-15

Patient: 18 year old male, weighing 66.0 kg (145.2 pounds)

Reactions: Personality Change, Immune Reconstitution Syndrome, Encephalitis, Pyrexia, Device Related Infection, Impulsive Behaviour, Herpes Zoster, Suicidal Ideation, C-Reactive Protein Increased, Circulatory Collapse, Mood Swings, Dysphagia, Lymphopenia, General Physical Health Deterioration, Pancytopenia, Muscle Twitching, Epilepsy, Tremor, Dysarthria, Hypophagia, Vertigo

Adverse event resulted in: hospitalization, disablity

Drug(s) suspected as cause:
Zovirax



Possible Zovirax side effects in 18 year old male

Reported by a physician from Austria on 2012-02-01

Patient: 18 year old male, weighing 66.0 kg (145.2 pounds)

Reactions: Circulatory Collapse, Encephalitis, Muscle Twitching, Epilepsy, Tremor, Herpes Zoster

Adverse event resulted in: hospitalization, disablity

Drug(s) suspected as cause:
Zovirax



Possible Zovirax side effects in 50 year old male

Reported by a physician from Japan on 2011-12-28

Patient: 50 year old male

Reactions: Dysarthria, Encephalitis, Cerebral Atrophy, Encephalopathy, Altered State of Consciousness, Dyslalia, Cerebellar Atrophy

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax
    Indication: Product Used FOR Unknown Indication
    Start date: 2011-04-20
    End date: 2011-04-22

Valtrex
    Dosage: 500mg per day
    Administration route: Oral
    Indication: Herpes Zoster
    Start date: 2011-04-18
    End date: 2011-04-18



Possible Zovirax side effects in 50 year old male

Reported by a physician from Japan on 2011-11-09

Patient: 50 year old male

Reactions: Dysarthria, Encephalopathy, Encephalitis, Altered State of Consciousness

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax
    Indication: Product Used FOR Unknown Indication
    Start date: 2011-04-20
    End date: 2011-04-22

Valtrex
    Dosage: 500mg per day
    Administration route: Oral
    Indication: Herpes Zoster
    Start date: 2011-04-18
    End date: 2011-04-18



Possible Zovirax side effects in female

Reported by a physician from Japan on 2011-11-08

Patient: female, weighing 40.0 kg (88.0 pounds)

Reactions: Pancreatitis Acute, Polyomavirus Test Positive, Myositis, Pain in Extremity, Graft Versus Host Disease, Haematuria, Quadriplegia, Muscular Weakness, Encephalitis, Abulia, Dysarthria, Renal Impairment, Blindness Cortical, Dehydration, Visual Impairment

Adverse event resulted in: death, hospitalization, disablity

Drug(s) suspected as cause:
Zovirax
    Dosage: 400mg per day
    Administration route: Oral
    Start date: 2011-05-09
    End date: 2011-05-11

Zovirax
    Dosage: 100mg per day
    Administration route: Oral
    Start date: 2011-05-12
    End date: 2011-05-25

Zovirax
    Dosage: 600mg per day
    Administration route: Oral
    Indication: Prophylaxis
    Start date: 2011-03-16
    End date: 2011-05-02

Zovirax
    Dosage: 1200mg per day
    Administration route: Oral
    Start date: 2011-05-06
    End date: 2011-05-08

Zovirax
    Indication: Herpes Zoster
    Start date: 2011-05-03
    End date: 2011-05-05

Zovirax
    Dosage: 800mg per day
    Administration route: Oral
    Start date: 2011-05-08
    End date: 2011-05-08

Zovirax
    Dosage: 200mg per day
    Administration route: Oral
    Start date: 2011-06-13

Zovirax
    Dosage: 600mg per day
    Administration route: Oral
    Start date: 2011-05-26
    End date: 2011-06-12

Other drugs received by patient: Allopurinol; Tecipul; Baktar; Furosemide; Primperan TAB; Unknown Drug; Pentazocine Lactate; Prednisolone; Kalimate; Miraclid; Itraconazole; Prograf; Motilium; Meropenem; Prograf; Kytril; Promac; Famotidine; Acetaminophen; NEO-Minophagen-C; Primperan TAB; Methotrexate; Sodium Bicarbonate; Buprenorphine HCL; Methylprednisolone Sodium Succinate; Naloxone HCL; Prednisolone; Loxonin; Vfend; Gasmotin; Midazolam HCL; Amlodipine; Adalat; Mycophenolate Mofetil (Cellcept); Funguard; FOY; Ganciclovir; Candesartan Cilexetil; Lyrica; Promac; Alloid G; Lendormin; Furosemide; Lansoprazole; Prednisolone; Thiopental Sodium; Zosyn; Ketoprofen; Silece; Atarax; Dopamine HCL; Urso 250; Prograf; Solu-Medrol; Unknown Drug; Ketalar; Pentazocine Lactate; Solu-Cortef

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