Acyclovir Confusional State Side Effect Reports


The following Acyclovir Confusional State side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Confusional State, can occur, and what you can do about them.

A side effect could appear soon after you start Acyclovir or it might take time to develop.


Herpes Simplex Encephalitis, Neurological Symptom, Confusional State, Abnormal Behaviour, Brain Injury, White Blood Cell Count Increased, Red Blood Cell Count Increased, Protein Total Increased

This Confusional State side effect was reported by a physician from BE. A 50-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Acyclovir (dosage: NA), which was started on NS. Concurrently used drugs:
  • Levetiracetam
  • Ceftriaxone
  • Ampicillin
  • Adalimumab
When starting to take Acyclovir the consumer reported the following symptoms:
  • Herpes Simplex Encephalitis
  • Neurological Symptom
  • Confusional State
  • Abnormal Behaviour
  • Brain Injury
  • White Blood Cell Count Increased
  • Red Blood Cell Count Increased
  • Protein Total Increased
These side effects may potentially be related to Acyclovir.
Gout, Herpes Zoster, Confusional State, Constipation, Extra Dose Administered, Shoulder Operation

This Confusional State Acyclovir side effect was reported by a consumer or non-health professional from US on Sep 06, 2013. A male , 69 years of age, was diagnosed with and was treated with Acyclovir. The patient presented the following health conditions:
  • Gout
  • Herpes Zoster
  • Confusional State
  • Constipation
  • Extra Dose Administered
  • Shoulder Operation
. Acyclovir dosage: NA. Additional drugs used at the same time:
  • Fluticasone And Salmeterol (1 Puff Twice Per Day., Inhalation)
  • Metformin Hydrochloride(metformin Hydrochloride)(metformin Hydrochloride)
Inappropriate Antidiuretic Hormone Secretion, Hyponatraemia, Confusional State, Mobility Decreased

This is a Acyclovir side effect report of a 88-year-old female patient (weight:NA) from GB, suffering from the following symptoms/conditions: herpes zoster, who was treated with Acyclovir (dosage:4000mg Per Day, start time: Apr 20, 2013), combined with:
  • Spironolactone
  • Ramipril
  • Bendroflumethiazide
  • Zopiclone
  • Lactulose
, and developed a serious reaction and a Confusional State side effect. The patient presented with:
  • Inappropriate Antidiuretic Hormone Secretion
  • Hyponatraemia
  • Confusional State
  • Mobility Decreased
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Acyclovir treatment in female patients suffering from herpes zoster, resulting in Confusional State.
Syncope, Vomiting, Confusional State, Mental Disorder, Amnesia, Transient Ischaemic Attack, Pleocytosis, Brain Oedema

A 72-year-old female patient (weight: NA) from HR with the following symptoms: herpes zoster started Acyclovir Sodium treatment (dosage: 800 Mg, 1 In 12 Hr, Oral) on NS. Soon after starting Acyclovir Sodium treatment, the consumer experienced several side effects, including:
  • Syncope
  • Vomiting
  • Confusional State
  • Mental Disorder
  • Amnesia
  • Transient Ischaemic Attack
  • Pleocytosis
  • Brain Oedema
. Concurrently used drugs:
  • Corticosteroids (corticosteroids)
This finding indicates that some patients can be more vulnerable to developing Acyclovir Sodium side effects, such as Confusional State.
Neurotoxicity, Hallucination, Auditory, Dysarthria, Disorientation, Insomnia, Confusional State

A patient from KOREA, REPUBLIC OF was prescribed and started Acyclovir Sodium on Jun 18, 2012. Patient felt the following Acyclovir side effects: neurotoxicity, hallucination, auditory, dysarthria, disorientation, insomnia, confusional state Additional patient health information: male , 56 years of age, The consumer reported the following symptoms: was diagnosed with and. Acyclovir Sodium dosage: 500 Mg, Iv In Two Divided Doses. Concurrently used drugs:
  • Amlodipine
  • Iron (iron)
  • Ace Inhibitor (ace Inhibitor Nos)
  • Aspirin
  • Calcium Carbonate (caclcium Carbonate)
  • Erythropoietin (erythropoientin)
Hallucination, Auditory, Dysarthria, Neurotoxicity, Confusional State, Insomnia, Disorientation, Somnolence, Electroencephalogram Abnormal

This report suggests a potential Acyclovir Confusional State side effect(s) that can have serious consequences. A 56-year-old patient from KOREA, REPUBLIC OF (weight:NA) was diagnosed with the following health condition(s): herpes zoster and used Acyclovir (dosage: 500 Mg, Daily In 2 Divided Doses) starting NS. Soon after starting Acyclovir the patient began experiencing various side effects, including:
  • Hallucination, Auditory
  • Dysarthria
  • Neurotoxicity
  • Confusional State
  • Insomnia
  • Disorientation
  • Somnolence
  • Electroencephalogram Abnormal
Drugs used concurrently:NA. Although Acyclovir demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Confusional State, may still occur.
Pneumonia, Blood Creatinine Increased, Hypokalaemia, Multiple Myeloma, Bone Pain, Hypercalcaemia, Confusional State

An adverse event was reported by a physician on Mar 14, 2012 by a Female taking Acyclovir (dosage: 800 Milligram) . Location: DENMARK , 66 years of age, weighting 132.3 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Acyclovir side effects: pneumonia, blood creatinine increased, hypokalaemia, multiple myeloma, bone pain, hypercalcaemia, confusional state. Additional medications/treatments:
Associated medications used:
  • Magnesium (1000 Milligram)
The patient was hospitalized.
Anaemia, Respiratory Distress, Encephalitis Viral, Angioedema, Hypersensitivity, Confusional State, Agitation, Unresponsive To Stimuli, Blood Urea Increased

This Confusional State problem was reported by a health professional from UNITED STATES. A 51-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): encephalitis post varicella.On NS a consumer started treatment with Acyclovir (dosage: 800 Mg;x1;iv). The following drugs/medications were being taken at the same time:
  • Zidovudine
  • Sulfamethoxazole
  • Trimethoprim
  • Valacyclovir (X1)
  • Atorvastatin
  • Lamivudine
  • Amlodipine
  • Didanosine
When commencing Acyclovir, the patient experienced the following unwanted symptoms /side effects:
  • Anaemia
  • Respiratory Distress
  • Encephalitis Viral
  • Angioedema
  • Hypersensitivity
  • Confusional State
  • Agitation
  • Unresponsive To Stimuli
  • Blood Urea Increased
The patient was hospitalized. Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Confusional State, may become evident only after a product is in use by the general population.
Bradyphrenia, Bradykinesia, Blood Urea Increased, Overdose, Confusional State, Blood Creatine Increased, International Normalised Ratio Decreased, Ataxia

This is a Acyclovir side effect report of a 61-year-old patient (weight: NA) from DENMARK. The patient developed the following symptoms/conditions: herpes zoster and was treated with Acyclovir (dosage: 200 Mg;bid;po) starting NS. Concurrently used drugs:
  • Lederfolin
  • Coumadin
  • Calcium Carbonate
  • Valium
  • Altiazem
  • Zantac
  • Cordarone
Soon after that, the consumer experienced the following of symptoms:
  • Bradyphrenia
  • Bradykinesia
  • Blood Urea Increased
  • Overdose
  • Confusional State
  • Blood Creatine Increased
  • International Normalised Ratio Decreased
  • Ataxia
The patient was hospitalized. This opens a possibility that Acyclovir could cause Confusional State and that some patients may be more susceptible.
Somnolence, Erythema, Ataxia, Fatigue, Confusional State, Oxygen Saturation Decreased, Toxicity To Various Agents, Mental Status Changes, Nystagmus

This Confusional State side effect was reported by a health professional from UNITED STATES on Sep 10, 2011. A patient from UNITED STATES , 65 years of age, was diagnosed with and was treated with Acyclovir. Directly after treatment started, patient experienced the unwanted or unexpected Acyclovir side effects: somnolence, erythema, ataxia, fatigue, confusional state, oxygen saturation decreased, toxicity to various agents, mental status changes, nystagmus. Acyclovir dosage: 500 Mg;5xd;po.
Associated medications used:
  • Calcium Carbonate
  • Hydralazine Hcl
  • Levothyroxine Sodium
  • Acetylsalicylic Acid Srt
  • Glipizide
  • Phenytoin
  • Benazepril Hydrochloride
  • Furosemide
The patient was hospitalized. These side effects may potentially be related to Acyclovir.
Confusional State, Oxygen Saturation Decreased, Memory Impairment, Balance Disorder, Fatigue, Dysstasia, Toxicity To Various Agents, Nystagmus, Ataxia

This Confusional State side effect was reported by a physician from UNITED STATES. A 65-year-old patient (weight:NA) experienced the following symptoms/conditions: herpes zoster. The patient was prescribed Acyclovir (dosage: 500mg. Orally 5x/day), which was started on NS. Concurrently used drugs: NA. When starting to take Acyclovir the consumer reported the following symptoms:
  • Confusional State
  • Oxygen Saturation Decreased
  • Memory Impairment
  • Balance Disorder
  • Fatigue
  • Dysstasia
  • Toxicity To Various Agents
  • Nystagmus
  • Ataxia
The patient was hospitalized. These side effects may potentially be related to Acyclovir.
Confusional State, Lethargy, Diarrhoea

This Confusional State Acyclovir side effect was reported by a health professional from UNITED STATES on Mar 09, 2011. A male , 75 years of age, weighting 160.0 lb, was diagnosed with and was treated with Acyclovir. The patient presented the following health conditions:
  • Confusional State
  • Lethargy
  • Diarrhoea
. Acyclovir dosage: 800mg 5x/day Po. Additional drugs used at the same time: NA.
Cold Sweat, Confusional State, Diarrhoea, Gastrointestinal Disorder, Incoherent, Loss Of Consciousness, Malaise, Nausea

This is a Acyclovir side effect report of a 56-year-old female patient (weight:NA) from DENMARK, suffering from the following symptoms/conditions: herpes zoster, who was treated with Acyclovir (dosage:800 Mg; X5; Po, start time: Oct 06, 2010), combined with: NA., and developed a serious reaction and a Confusional State side effect. The patient presented with:
  • Cold Sweat
  • Confusional State
  • Diarrhoea
  • Gastrointestinal Disorder
  • Incoherent
  • Loss Of Consciousness
  • Malaise
  • Nausea
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Acyclovir treatment in female patients suffering from herpes zoster, resulting in Confusional State.
Agitation, Aphasia, Asterixis, Atrophy, Confusional State, Dysarthria, Encephalopathy, Hypertension, Memory Impairment

A 67-year-old patient (weight: NA) from UNITED STATES with the following symptoms: herpes zoster started Acyclovir treatment (dosage: 4000 Mg; Qd; Po) on Jul 01, 2008. Soon after starting Acyclovir treatment, the consumer experienced several side effects, including:
  • Agitation
  • Aphasia
  • Asterixis
  • Atrophy
  • Confusional State
  • Dysarthria
  • Encephalopathy
  • Hypertension
  • Memory Impairment
. Concurrently used drugs: NA.The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Acyclovir side effects, such as Confusional State.
Agranulocytosis, Anaemia, Condition Aggravated, Confusional State, Decreased Appetite, Herpes Zoster, Leukaemia, Leukopenia, Malaise

A patient from UNITED STATES was prescribed and started Acyclovir on Sep 03, 2010. After Acyclovir was administered, patient encountered several Acyclovir side effects: agranulocytosis, anaemia, condition aggravated, confusional state, decreased appetite, herpes zoster, leukaemia, leukopenia, malaise Additional patient health information: male , 78 years of age, weighting 177.0 lb, The consumer reported the following symptoms: was diagnosed with and. Acyclovir dosage: 800 Mg Qid Iv ; 100 Mg Bid Po. Concurrently used drugs: NA. The patient was hospitalized.
Confusional State, Disorientation, Dyskinesia, Hallucination, Mental Status Changes

This report suggests a potential Acyclovir Confusional State side effect(s) that can have serious consequences. A patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): herpes zoster and used Acyclovir (dosage: 800 Mg 1 Q 4hrs X 10 Days Oral) starting Jul 08, 2010. Soon after starting Acyclovir the patient began experiencing various side effects, including:
  • Confusional State
  • Disorientation
  • Dyskinesia
  • Hallucination
  • Mental Status Changes
Drugs used concurrently:
  • Prednisone (50 Mg 1 Daily X 7 Days Oral)
  • Amiodarone Hcl
  • Carvedilol
  • Tamsulosin Hcl
  • Acetaminophen And Hydrocodone Bitartrate
  • Losartan Potassium
  • Prednisone
  • Lrvothyroxine
The patient was hospitalized. Although Acyclovir demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Confusional State, may still occur.
Confusional State, Dysarthria, Leukoencephalopathy

An adverse event was reported by a consumer or non-health professional on Jun 21, 2010 by a Female taking Acyclovir (dosage: 300 Mg, Intravenous) . Location: UNITED KINGDOM , 72 years of age, weighting 132.3 lb, patient began experiencing various side effects, including: Patient felt the following Acyclovir side effects: confusional state, dysarthria, leukoencephalopathy. Additional medications/treatments:
Multiple prescriptions taken:
  • (adcal-d3)
  • (alendronic Acid)
  • Azathioprine
  • Lisinopril
  • Prednisolone
  • Folic Acid
Confusional State, Dysarthria, Leukoencephalopathy

This Confusional State problem was reported by a consumer or non-health professional from UNITED KINGDOM. A 72-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On Jul 06, 2009 a consumer started treatment with Acyclovir (dosage: 900mg Per Day). The following drugs/medications were being taken at the same time: NA. When commencing Acyclovir, the patient experienced the following unwanted symptoms /side effects:
  • Confusional State
  • Dysarthria
  • Leukoencephalopathy
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Confusional State, may become evident only after a product is in use by the general population.
Confusional State, Pallor, Rash, Somnolence

This is a Acyclovir side effect report of a 89-year-old female patient (weight: NA) from UNITED KINGDOM. The patient developed the following symptoms/conditions: herpes zoster and was treated with Acyclovir (dosage: 800 Mg; Qd;) starting NS. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Confusional State
  • Pallor
  • Rash
  • Somnolence
This opens a possibility that Acyclovir could cause Confusional State and that some female patients may be more susceptible.
Asthenia, Back Pain, Blister, Blood Urine Present, Chromaturia, Confusional State, Contusion, Dizziness, Erythema

This Confusional State side effect was reported by a consumer or non-health professional from UNITED STATES on Mar 23, 2010. A patient from UNITED STATES , weighting 208.0 lb, was treated with Acyclovir. Patient felt the following Acyclovir side effects: asthenia, back pain, blister, blood urine present, chromaturia, confusional state, contusion, dizziness, erythema. Acyclovir dosage: 400 Mg Tablets 2-daily Mouth. These side effects may potentially be related to Acyclovir.
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Acyclovir Confusional State Causes and Reviews


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  • If you want to be resuscitated if your breathing or heartbeat stops
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  • Organ or tissue donation

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NIH: National Cancer Institute


Acyclovir Confusional State Reviews

Thu, 08 Apr 2010

I get Avastin every 21 days. I get a severely swollen tongue about 1 week after treatment, sometimes only after one or two days. Is it a side effect of Avastin, or is it the combination of the drugs I am taking? Gabapentin, FAmotidine, Acyclovir, Meloxicam. I have lung cancer, am in remission. Thank you for your help!

Fri, 20 Aug 2010

I HAD HERPES ZOSTER SINCE 10 DAYS. THE BLISTERS ARE ALMOST
IN HEALING STAGE. BUT THE BURNING SENSATION IN THE NEARBY SPOTS
ARE STILL UNBEARABLE. I HAVE BEEN TREATED WITH ACYCLOVIR AND CROCIN
PL. ADVISE FOR THE BURNING SENSATION

Sat, 17 Dec 2011

14 month old girl developed erythematous skin lasion on left cheek 5 days post prevnar vaccine. 24 hrs later lesion weeping straw colored fluid and crusted. seen at pediatrician 7 days post prevnar vaccine and also diagnosed with ear infection. Started on 10 days of augmentin for ear infection and bactroban for skin lesion and Acyclovir because cannot rule out HSV of skin

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Acyclovir Side Effects

Renal Failure Acute (111)
Nausea (55)
Confusional State (53)
Neurotoxicity (52)
Blood Creatinine Increased (51)
Pyrexia (48)
Hallucination, Visual (38)
Herpes Zoster (38)
Vomiting (37)
Pain (37)
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Disorientation (20)
Hypertension (19)
Dizziness (19)
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Ataxia (17)
Hypotension (17)
Multi-organ Failure (17)

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