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Zovirax (Acyclovir) - Side Effect Reports to FDA

 
 



This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Zovirax (Acyclovir) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.

Reports by Event Outcome

All Cases (140)
Death (9)
Life Threatening Events (4)
Disability (6)

Reports by Reaction Type

Renal Failure Acute (28)Dysarthria (11)Encephalopathy (10)Pancytopenia (10)Rash (10)Altered State of Consciousness (10)Herpes Zoster (9)Pneumonia (9)Urinary Tract Infection (9)Encephalitis (8)Renal Failure (8)Pyrexia (7)

Below are a few examples of reports where side effects / adverse reactions may be related to Zovirax (Acyclovir). For a complete list or a specific selection of reports, please use the links above.

Possible Zovirax side effects in male

Reported by a physician from Japan on 2012-08-21

Patient: male

Reactions: Neutropenia

Drug(s) suspected as cause:
Zovirax
    Dosage: 10mgk three times per day
    Indication: Herpes Simplex

Zovirax
    Dosage: 10mgk three times per day

Other drugs received by patient: Valtrex; Acyclovir



Possible Zovirax side effects in female

Reported by a physician from Netherlands on 2012-08-15

Patient: female, weighing 70.0 kg (154.0 pounds)

Reactions: Renal Failure

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Acetylsalicylzuur; Enoxaparin Sodium; Nexium; Keppra; Diprivan



Possible Zovirax side effects in

Reported by a physician from Japan on 2012-08-15

Patient:

Reactions: Corneal Perforation

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Steroid



Possible Zovirax side effects in

Reported by a pharmacist from Japan on 2012-08-15

Patient:

Reactions: Pancreatitis

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Unknown Drug



Possible Zovirax side effects in 3 year old female

Reported by a physician from France on 2012-08-14

Patient: 3 year old female, weighing 13.0 kg (28.6 pounds)

Reactions: Emotional Distress, Agitation, Hallucination

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Claforan; Acetaminophen; Ibuprofen; Clobazam



Possible Zovirax side effects in

Reported by a physician from Japan on 2012-08-13

Patient:

Reactions: Corneal Perforation

Drug(s) suspected as cause:
Zovirax



Possible Zovirax side effects in female

Reported by a physician from Japan on 2012-08-13

Patient: female, weighing 52.0 kg (114.4 pounds)

Reactions: Blood Urea Increased, Blood Potassium Increased, Dysarthria, Communication Disorder, Blood Uric Acid Increased, Nervous System Disorder, Asthenia, Blood Creatinine Increased, Renal Failure Acute

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Valtrex
    Dosage: 3000mg per day
    Administration route: Oral
    Indication: Herpes Zoster
    Start date: 2012-07-17
    End date: 2012-07-23

Zovirax
    Dosage: 250mg per day
    Indication: Herpes Zoster
    Start date: 2012-07-17
    End date: 2012-07-21

Other drugs received by patient: Atelec; Pravastatin Sodium; Losartan Potassium and Hydrochlorothiazide



Possible Zovirax side effects in 65 year old female

Reported by a physician from Italy on 2012-08-13

Patient: 65 year old female

Reactions: Rash Maculo-Papular

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Piperacillin / Tazobactam
    Dosage: 13.5 mg, 1x/day
    Indication: Pyrexia
    Start date: 2012-04-09
    End date: 2012-04-26

Vancomycin
    Dosage: 2 g, 1x/day
    Indication: Pyrexia
    Start date: 2012-04-12
    End date: 2012-05-01

Zovirax
    Dosage: 1.8 g, 1x/day
    Indication: Prophylaxis
    Start date: 2012-04-11
    End date: 2012-05-02



Possible Zovirax side effects in

Reported by a physician from Japan on 2012-08-13

Patient:

Reactions: Corneal Perforation

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Steroid



Possible Zovirax side effects in 60 year old female

Reported by a consumer/non-health professional from United States on 2012-08-13

Patient: 60 year old female

Reactions: Renal Failure, Drug Effect Decreased, Herpes Simplex

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Singulair; Levoxyl



Possible Zovirax side effects in female

Reported by a physician from Netherlands on 2012-08-10

Patient: female, weighing 70.0 kg (154.0 pounds)

Reactions: Renal Failure

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Diprivan; Acetylsalicylzuur; Keppra; Enoxaparin Sodium; Nexium



Possible Zovirax side effects in 67 year old female

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

Patient: 67 year old female

Reactions: Acute Pulmonary Oedema, Renal Failure

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Vancomycin
    Indication: Urinary Tract Infection
    Start date: 2012-06-06
    End date: 2012-06-24

Zovirax
    Dosage: 350mg per day
    Indication: Simplex Virus Test Positive
    Start date: 2012-06-09

Other drugs received by patient: Dasatinib; Tazobactam; Dexamethasone; Imatinib Mesylate; Zofran; Spasfon; Vincristine; Primperan TAB



Possible Zovirax side effects in 63 year old female

Reported by a health professional (non-physician/pharmacist) from Hong Kong on 2012-08-08

Patient: 63 year old female

Reactions: Haemoglobin Decreased, Blood Pressure Increased, Toxic Encephalopathy, Mental Status Changes, Stupor

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Acyclovir
    Dosage: 400 mg / four times per day / oral
    Administration route: Oral
    Indication: Herpes Zoster

Zovirax
    Dosage: fve times per day / topical
    Administration route: Topical
    Indication: Herpes Zoster

Other drugs received by patient: Metoprolol Tartrate; Alfacalcidol; Diltiazem HCL; Epogen; Aspirin; Calcium Carbonate



Possible Zovirax side effects in female

Reported by a physician from Italy on 2012-08-03

Patient: female

Reactions: Abdominal Pain, Vomiting, Subileus

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Norvasc; Onco-Carbide; Plavix; Citalopram Hydrobromide; Torsemide; Montegen; Riopan; Fluticasone Propionate / Salmeterol



Possible Zovirax side effects in female

Reported by a physician from France on 2012-08-02

Patient: female

Reactions: Renal Failure Acute

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Amoxicillin Trihydrate
    Dosage: 3g four times per day
    Indication: Pneumonia Klebsiella
    Start date: 2012-02-10
    End date: 2012-02-20

Zovirax
    Dosage: 600mg three times per day
    Indication: Encephalitis
    Start date: 2012-02-10
    End date: 2012-02-20

Other drugs received by patient: Claforan; Flagyl; Insuline



Possible Zovirax side effects in female

Reported by a physician from Japan on 2012-07-31

Patient: female

Reactions: Dysarthria, Renal Failure Acute

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Valtrex
    Dosage: 3000mg per day
    Administration route: Oral
    Indication: Herpes Zoster
    Start date: 2012-07-17
    End date: 2012-07-23

Zovirax
    Dosage: 250mg per day
    Indication: Herpes Zoster
    Start date: 2012-07-17
    End date: 2012-07-21

Other drugs received by patient: Losartan Potassium and Hydrochlorothiazide; Atelec; Pravastatin Sodium



Possible Zovirax side effects in

Reported by a physician from Japan on 2012-07-31

Patient:

Reactions: Corneal Disorder

Drug(s) suspected as cause:
Zovirax



Possible Zovirax side effects in 66 year old male

Reported by a physician from Japan on 2012-07-20

Patient: 66 year old male

Reactions: Pneumonia, Interstitial Lung Disease

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Adriamycin PFS
    Dosage: 40 mg/m2, unk
    Start date: 2010-12-22
    End date: 2010-12-22

Adriamycin PFS
    Dosage: 30 mg/m2, unk
    Start date: 2010-10-14
    End date: 2010-10-14

Adriamycin PFS
    Dosage: 30 mg/m2, unk
    Start date: 2010-11-24
    End date: 2010-11-24

Adriamycin PFS
    Dosage: 30 mg/m2, unk
    Start date: 2010-12-29
    End date: 2010-12-29

Adriamycin PFS
    Dosage: 40 mg/m2, unk
    Start date: 2010-11-16
    End date: 2010-11-16

Adriamycin PFS
    Dosage: 40 mg/m2, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-07
    End date: 2010-10-07

Allopurinol
    Dosage: 100 mg, 3x/day
    Administration route: Oral
    Start date: 2011-07-05
    End date: 2011-07-19

Allopurinol
    Dosage: 100 mg, 1x/day
    Administration route: Oral
    Indication: Hyperuricaemia
    End date: 2011-01-20

Amlodipine
    Dosage: 5 mg, 1x/day
    Administration route: Oral
    Indication: Hypertension
    Start date: 2010-10-08
    End date: 2011-02-17

Baraclude
    Dosage: 0.5 mg, 1/2day
    Administration route: Oral
    Indication: Hepatitis B
    Start date: 2010-06-29
    End date: 2011-07-19

Carboplatin
    Dosage: 250 mg/m2, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-26
    End date: 2010-12-08

Cefazolin Sodium
    Dosage: unk
    Administration route: Oral
    Indication: Proctitis
    Start date: 2010-10-22
    End date: 2011-02-17

Cyclophosphamide
    Dosage: 350 mg/m2, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-07
    End date: 2010-12-22

Cymerin
    Dosage: 60 mg/m2, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-14
    End date: 2010-12-29

Cytarabine
    Dosage: 40 mg, daily
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-11-18
    End date: 2010-11-18

Diflucan
    Dosage: 100 mg, 1x/day
    Administration route: Oral
    Indication: Antifungal Prophylaxis
    End date: 2011-01-11

Diflucan
    Dosage: unk
    Start date: 2011-01-19
    End date: 2011-01-28

Etoposide
    Dosage: 100 mg/m2, 3x/day
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-26
    End date: 2010-12-08

Fentanyl
    Dosage: unk
    Indication: Stomatitis
    Start date: 2011-01-02
    End date: 2011-01-19

Fildesin
    Dosage: 2.4 mg/m2, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-26
    End date: 2010-12-08

KW-0761
    Dosage: 1 mg/kg, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-08
    End date: 2010-12-21

Lansoprazole
    Dosage: 15 mg, 1x/day
    Administration route: Oral
    Start date: 2011-05-26
    End date: 2011-07-19

Lansoprazole
    Dosage: 15 mg, 1x/day
    Administration route: Oral
    Indication: Gastrooesophageal Reflux Disease
    End date: 2011-02-17

Lipidil
    Dosage: 100 df, 1x/day
    Administration route: Oral
    Indication: Hyperlipidaemia
    End date: 2011-01-26

Lyrica
    Dosage: 75 mg, 1x/day
    Administration route: Oral
    Indication: Pain
    Start date: 2011-06-29
    End date: 2011-07-19

Magmitt
    Dosage: unk
    Administration route: Oral
    Indication: Constipation
    Start date: 2011-01-07
    End date: 2011-01-10

Meropenem
    Dosage: 0.5 g, 2x/day
    Indication: Pneumonia
    Start date: 2011-01-07
    End date: 2011-01-24

Meropenem
    Dosage: 1 g, 3x/day
    Start date: 2011-07-04
    End date: 2011-07-15

Methotrexate Sodium
    Dosage: 15 mg, daily
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-11-18
    End date: 2010-11-18

Oncovin
    Dosage: 1 mg/m2, unk
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-07
    End date: 2010-12-22

Pantosin
    Dosage: unk
    Administration route: Oral
    Indication: Constipation
    Start date: 2011-01-07
    End date: 2011-01-10

Prednisolone
    Dosage: 40 mg/m2, unk
    Administration route: Oral
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-10-07
    End date: 2010-12-29

Prednisolone
    Dosage: 10 mg, daily
    Indication: Adult T-Cell Lymphoma / Leukaemia
    Start date: 2010-11-18
    End date: 2010-11-18

Sulfamethoxazole and Trimethoprim
    Dosage: 1 df, 1x/day
    Administration route: Oral
    Start date: 2011-07-15

Sulfamethoxazole and Trimethoprim
    Dosage: 1 df, 1x/day
    Administration route: Oral
    Indication: Antifungal Prophylaxis
    End date: 2011-01-28

Vancomycin
    Dosage: 0.5 g, 2x/day
    Start date: 2011-01-07
    End date: 2011-01-17

Zovirax
    Dosage: unk
    Start date: 2011-06-30
    End date: 2011-07-08

Zovirax
    Dosage: 200 mg, 1x/day
    Administration route: Oral
    Indication: Prophylaxis
    End date: 2011-01-28

Zovirax
    Dosage: 200 mg, 1x/day
    Administration route: Oral
    Start date: 2011-07-12
    End date: 2011-07-19

Other drugs received by patient: Vfend; Targocid; Slow-K; Ciprofloxacin HCL



Possible Zovirax side effects in female

Reported by a physician from Japan on 2012-07-18

Patient: female, weighing 44.0 kg (96.8 pounds)

Reactions: White Blood Cell Count Decreased, Granulocyte Count Decreased, General Physical Condition Abnormal, Lymphocyte Count Decreased, Herpes Zoster

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Acyclovir
    Dosage: unk ukn, unk
    Administration route: Oral
    Start date: 2012-06-29

Gilenya
    Dosage: 0.5 mg, daily
    Administration route: Oral
    Start date: 2012-01-17
    End date: 2012-07-02

Zovirax
    Administration route: Oral

Other drugs received by patient: Methylprednisolone Sodium Succinate; Imuran



Possible Zovirax side effects in

Reported by a pharmacist from Japan on 2012-07-17

Patient:

Reactions: Cardiac Failure Congestive

Drug(s) suspected as cause:
Zovirax



Possible Zovirax side effects in 78 year old female

Reported by a physician from Japan on 2012-07-17

Patient: 78 year old female

Reactions: Drug Clearance Decreased, Renal Disorder, Dialysis, Drug Level Increased, Restlessness, Encephalopathy

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Aspirin; Rocephin; Ampicillin; Statins; Loxonin; Lyrica; Vancomycin



Possible Zovirax side effects in 86 year old female

Reported by a physician from Japan on 2012-07-11

Patient: 86 year old female

Reactions: Blood Urea Increased, Somnolence, Blood Creatinine Increased, Renal Failure Acute

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Unknown Drug



Possible Zovirax side effects in 65 year old female

Reported by a physician from Italy on 2012-07-11

Patient: 65 year old female

Reactions: Rash Maculo-Papular

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Piperacillin and Tazobactam
    Dosage: 13.5 mg, 1x/day
    Indication: Pyrexia
    Start date: 2012-04-09
    End date: 2012-04-26

Vancomycin
    Dosage: 2 g, 1x/day
    Indication: Pyrexia
    Start date: 2012-04-12
    End date: 2012-05-01

Zovirax
    Dosage: 1.8 g, 1x/day
    Indication: Prophylaxis
    Start date: 2012-04-11
    End date: 2012-05-02



Possible Zovirax side effects in male

Reported by a physician from France on 2012-07-11

Patient: male

Reactions: Renal Failure, Condition Aggravated

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Amoxicillin
    Indication: Product Used FOR Unknown Indication
    Start date: 2011-07-13
    End date: 2011-07-18

Zovirax
    Indication: Product Used FOR Unknown Indication
    Start date: 2011-07-13
    End date: 2011-07-18



Possible Zovirax side effects in 65 year old female

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

Patient: 65 year old female

Reactions: Rash Maculo-Papular

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Piperacillin and Tazobactam
    Dosage: 13.5 gram, intravenous
    Indication: Pyrexia
    Start date: 2012-04-09
    End date: 2012-04-26

Vancomycin Hydrochloride
    Dosage: 2 gram, intravenous
    Indication: Pyrexia
    Start date: 2012-04-12
    End date: 2012-05-01

Zovirax
    Dosage: 1.8 gram, intravenous
    Indication: Antibiotic Prophylaxis
    Start date: 2012-04-11
    End date: 2012-05-02



Possible Zovirax side effects in male

Reported by a physician from France on 2012-06-25

Patient: male

Reactions: Renal Failure Acute

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Zopiclone; Tobrex; Venlafaxine HCL; Acetaminophen; Zovirax; Trimeprazine Tartrate; Celluvisc; Fucidine CAP; Neuleptil



Possible Zovirax side effects in 17 year old female

Reported by a physician from Japan on 2012-06-18

Patient: 17 year old female

Reactions: Electroencephalogram Abnormal, Mental Impairment, Communication Disorder, Dyskinesia, Maternal Exposure During Pregnancy, Encephalitis Autoimmune, Abortion Induced

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Methylprednisolone; Human Normal Immunoglobulin



Possible Zovirax side effects in 29 year old female

Reported by a physician from Japan on 2012-06-18

Patient: 29 year old female

Reactions: Nystagmus, Nausea, Anorectal Disorder, Illusion, Neuromyelitis Optica, Multiple Sclerosis, Acute Disseminated Encephalomyelitis, Dyslalia

Drug(s) suspected as cause:
Zovirax

Other drugs received by patient: Ceftriaxone Sodium; Unknown Nsaid; Vancomycin Hydrochloride



Possible Zovirax side effects in 58 year old male

Reported by a physician from France on 2012-06-18

Patient: 58 year old male

Reactions: Anxiety, Irritability, Confusional State, Disorientation, Cognitive Disorder

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Valacyclovir Hydrochloride
    Administration route: Oral
    Indication: Herpes Virus Infection

Zovirax
    Indication: Herpes Virus Infection



Possible Zovirax side effects in female

Reported by a physician from France on 2012-06-15

Patient: female

Reactions: Neutropenia

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Piperacillin / Tazobactam
    Indication: Infection
    Start date: 2012-03-18
    End date: 2012-03-22

Zovirax
    Dosage: 500mg three times per day
    Indication: Herpes Virus Infection
    Start date: 2012-03-15
    End date: 2012-03-22

Other drugs received by patient: Atarax; Vancomycin; Ceftriaxone; Paroxetine; Boric Acid EYE Washes; Prazepam; Potassium Chloride; Transipeg; Lansoyl; Povidone Iodine; Tobrex; Vitamine A Dulcis

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