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This is an index of reports of adverse events (side effects, adverse reactions, etc.) related to Valtrex (Valacyclovir). Click on the relevant link below to view a selection of reports according to the event's seriousness level and/or the nature of the side effect / adverse reaction. Or scroll down to view a sample of recent reports further on this page.
Our database includes reports from Jan 2007 to Dec 2007. The information is not vetted and should not be cosidered as verified clinical evidence.
All cases (415)
Cases resulting in a serious event (399)
Cases resulting in death (13)
Cases resulting in life threatening events (35)
Cases resulting in hospitalization (284)
Cases resulting in disability (46)
Cases resulting in other serious reactions (98)
Below is a sample of reports where side effects / adverse reactions may be related to Valtrex (Valacyclovir). For a complete list and/or a specific selection of reports, please use the links in the index above.
Adverse event in 63 year old female receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-31
Patient: 63 year old female, weighing 66.0 kg (145.2 pounds)
Adverse reactions / side effects: Vomiting, Nausea, Dizziness, Blood Creatinine Increased, Renal Failure Acute
Adverse event resulted in: life threatening event, hospitalization
Suspect drug(s):
Loxonin
Dosage: 60mg three times per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-10-01
End date: 2007-10-03
Methycobal
Dosage: 500mg three times per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-10-01
End date: 2007-10-03
Mucosta
Dosage: 100mg three times per day
Administration route: Oral
Start date: 2007-10-01
End date: 2007-10-03
Valtrex
Dosage: 1000mg three times per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-10-01
End date: 2007-10-03
Other drugs received by patient: Norvasc; Plavix
Adverse event in female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-31
Patient: female
Adverse reactions / side effects: LIP Swelling, Vomiting, Anaphylactic Reaction, Eczema
Suspect drug(s):
Valtrex (Valacyclovir)
Adverse event in 69 year old female receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-30
Patient: 69 year old female
Adverse reactions / side effects: Malaise, Blood Creatinine Increased, Anuria, Renal Failure Acute
Adverse event resulted in: hospitalization
Suspect drug(s):
Loxonin
Indication: Drug USE FOR Unknown Indication
Valtrex
Dosage: 1000mg three times per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-10-09
End date: 2007-10-12
Adverse event in 79 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-30
Patient: 79 year old female, weighing 66.0 kg (145.2 pounds)
Adverse reactions / side effects: Oral Intake Reduced, Pyrexia, Renal Failure Acute, Discomfort
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Adalat; Perindopril Erbumine; Urinorm
Adverse event in 40 year old male receiving Valtrex (Valacyclovir)
Reported by a individual with unspecified qualification from United States on 2007-10-29
Patient: 40 year old male, weighing 81.6 kg (179.6 pounds)
Adverse reactions / side effects: Blood Pressure Increased, Pruritus, Joint Swelling, Rash Papular, NO Therapeutic Response, Rash Erythematous, Urticaria, White Blood Cell Count Increased
Suspect drug(s):
Valtrex (Valacyclovir)
Adverse event in 66 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-29
Patient: 66 year old male
Adverse reactions / side effects: Restlessness, Insomnia, Tremor
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Celestamine TAB; Claritin
Adverse event in 72 year old male receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-29
Patient: 72 year old male, weighing 53.0 kg (116.6 pounds)
Adverse reactions / side effects: Dysarthria, Drooling, Vertigo, Dizziness, Encephalopathy, Hallucination, Ill-Defined Disorder
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Amlodipine; Caltan; Micardis; Aspirin; Anplag; Lansoprazole; Gastrom
Adverse event in 83 year old female receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-29
Patient: 83 year old female
Adverse reactions / side effects: Encephalopathy, Shock
Suspect drug(s):
Valtrex (Valacyclovir)
Adverse event in 77 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-26
Patient: 77 year old female, weighing 56.0 kg (123.2 pounds)
Adverse reactions / side effects: Vomiting, Swelling Face, Nausea, Feeling Abnormal, Renal Failure Acute, Generalised Oedema
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Calslot; Crestor; Bufferin; Aspirin
Adverse event in 63 year old female receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-26
Patient: 63 year old female
Adverse reactions / side effects: Renal Disorder, Nausea, Dizziness
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Loxonin; Methycobal; Mucosta; Norvasc; Plavix
Adverse event in 78 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-26
Patient: 78 year old male
Adverse reactions / side effects: Renal Failure, Blood Urine Present, Malaise, Anorexia
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Unknown Drug; Gasmotin; Magmitt
Adverse event in male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-25
Patient: male
Adverse reactions / side effects: Hepatic Function Abnormal, Jaundice Cholestatic
Adverse event resulted in: hospitalization, disablity
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Longes; Perdipine LA; Medazepam; Lendormin; Sermion; Grandaxin; Meilax; Tripamide
Adverse event in 65 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-24
Patient: 65 year old female, weighing 50.0 kg (110.0 pounds)
Adverse reactions / side effects: Renal Impairment, Malaise, Pain
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Adverse event in 73 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-24
Patient: 73 year old male, weighing 68.0 kg (149.6 pounds)
Adverse reactions / side effects: Blood Creatinine Increased, Anuria, Renal Failure Acute
Adverse event resulted in: life threatening event, hospitalization, disablity
Suspect drug(s):
Crestor
Dosage: 2.5mg per day
Administration route: Oral
Start date: 2007-06-20
End date: 2007-09-25
Loxonin
Dosage: 60mg twice per day
Administration route: Oral
Start date: 2007-09-21
End date: 2007-09-23
Olmetec
Dosage: 2.5mg twice per day
Administration route: Oral
Indication: Cardiac Failure
End date: 2007-09-25
Valtrex
Dosage: 1000mg three times per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-09-21
End date: 2007-09-24
Other drugs received by patient: Artist; Neuquinon; Rabeprazole Sodium; Magnesium Oxide; Zolpidem
Adverse event in 43 year old male receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-24
Patient: 43 year old male, weighing 62.0 kg (136.4 pounds)
Adverse reactions / side effects: Agitation, Vomiting, Nausea, Urine Output Decreased, Mental Status Changes, Headache, Weight Increased, Renal Impairment, Vertigo, Dizziness, Masked Facies, Renal Failure Acute
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Voltaren; Selbex; Ganaton; Unknown Drug; Gentacin; Unknown Drug
Adverse event in 72 year old male receiving Valtrex (Valacyclovir)
Reported by a pharmacist from Japan on 2007-10-23
Patient: 72 year old male, weighing 53.0 kg (116.6 pounds)
Adverse reactions / side effects: Vertigo, Dizziness
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Adverse event in 66 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-22
Patient: 66 year old male, weighing 56.0 kg (123.2 pounds)
Adverse reactions / side effects: Encephalopathy, Dizziness, Amnesia
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Precipitated Calcium Carbonate; Renagel; Artist; Aspirin; Zyloric; Lansoprazole; Anplag; Unknown Drug; Marzulene-S; Warfarin Sodium
Adverse event in 69 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-22
Patient: 69 year old female
Adverse reactions / side effects: White Blood Cell Count Decreased, Haemoglobin Decreased, Platelet Count Decreased
Suspect drug(s):
Valtrex (Valacyclovir)
Adverse event in 76 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-19
Patient: 76 year old female
Adverse reactions / side effects: Overdose, Nausea, Headache, Renal Failure Acute
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Voltaren
Adverse event in 51 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-19
Patient: 51 year old female, weighing 63.1 kg (138.8 pounds)
Adverse reactions / side effects: Vomiting, Nausea, Dehydration, Renal Failure Acute
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-09-14
End date: 2007-09-18
Voltaren
Indication: Facet Joint Syndrome
Start date: 2007-08-23
End date: 2007-09-18
Other drugs received by patient: Celestamine TAB; Methycobal; Mucosta
Adverse event in 82 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-17
Patient: 82 year old female
Adverse reactions / side effects: Blood Urea Increased, Renal Disorder, Dyskinesia, Encephalopathy, Blood Creatinine Increased
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex
Dosage: 1000mg three times per day
Administration route: Oral
Indication: Herpes Zoster
Start date: 2007-08-24
End date: 2007-08-26
Vicclox
Dosage: 250mg per day
Indication: Herpes Zoster
Start date: 2007-08-24
End date: 2007-08-26
Other drugs received by patient: Fosamac; Onealfa; Maalox
Adverse event in 68 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-17
Patient: 68 year old male, weighing 61.1 kg (134.4 pounds)
Adverse reactions / side effects: Speech Disorder, Dysarthria, Overdose, Motor Dysfunction, Encephalopathy, Altered State of Consciousness, Delirium
Adverse event resulted in: hospitalization, disablity
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Artist; Renagel; Amlodipine; Selbex; Mikelan; Famotidine; Caltan; Alosenn; Olmetec; Gatifloxacin; Zovirax; Adona (AC-17)
Adverse event in 56 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-17
Patient: 56 year old male
Adverse reactions / side effects: Monoplegia, Visual Field Defect, Hallucination, Visual, Visual Acuity Reduced, Scotoma
Adverse event resulted in: hospitalization, disablity
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Unknown Drug; Nichi E Nate; Ferromia; Unknown Drug; Methycobal; Tankaru; Amoban; Alosenn; Unknown Drug
Adverse event in 88 year old male receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-16
Patient: 88 year old male, weighing 51.0 kg (112.2 pounds)
Adverse reactions / side effects: Dysarthria, Overdose, Depressed Level of Consciousness, Dizziness, Gait Disturbance
Adverse event resulted in: hospitalization
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Pranoprofen; Nipolazin; Coniel; Doxazosin Mesylate; Diart; Urinorm; Pravastatin; Ledolper
Adverse event in 55 year old female receiving Valtrex (Valacyclovir)
Reported by a physician from Japan on 2007-10-16
Patient: 55 year old female, weighing 40.0 kg (88.0 pounds)
Adverse reactions / side effects: Affect Lability, Encephalopathy, Hallucination, Delusion
Suspect drug(s):
Valtrex (Valacyclovir)
Other drugs received by patient: Furosemide; Famotidine; Aldomet; Towarat L; Caltan
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