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Metronidazole Neurotoxicity Side Effects

Metronidazole Neurotoxicity Side Effect Reports


The following Metronidazole Neurotoxicity side effect reports were submitted by healthcare professionals and consumers.

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

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



Neurotoxicity, Grand Mal Convulsion, Myoclonic Epilepsy, Toxicity To Various Agents, Anaemia, Leukocytosis, Hepatic Enzyme Increased, Atrioventricular Block, Hypotension

This Neurotoxicity side effect was reported by a health professional from TR. A 39-year-old female patient (weight:NA) experienced the following symptoms/conditions: infection,bipolar disorder. The patient was prescribed Metronidazole (metronidazole) (dosage: NA), which was started on NS. Concurrently used drugs:
  • Lithium (lithium)
  • Olanzapine (olanzapine)
  • Voriconazole
When starting to take Metronidazole (metronidazole) the consumer reported the following symptoms:
  • Neurotoxicity
  • Grand Mal Convulsion
  • Myoclonic Epilepsy
  • Toxicity To Various Agents
  • Anaemia
  • Leukocytosis
  • Hepatic Enzyme Increased
  • Atrioventricular Block
  • Hypotension
The patient was hospitalized. These side effects may potentially be related to Metronidazole (metronidazole).
Neurotoxicity, Embolic Stroke

This Neurotoxicity Metronidazole side effect was reported by a health professional from IN on Dec 10, 2013. A male , 43 years of age, was diagnosed with and was treated with Metronidazole. The patient presented the following health conditions:
  • Neurotoxicity
  • Embolic Stroke
. Metronidazole dosage: 750 Mg, 3x/day. Additional drugs used at the same time: NA.
Leukoencephalopathy, Parkinsonism, Neurotoxicity, Ataxia, Dysarthria

This is a Metronidazole side effect report of a 66-year-old female patient (weight:NA) from GB, suffering from the following symptoms/conditions: clostridium difficile infection, who was treated with Metronidazole (dosage:NA, start time: NS), combined with:
  • Aspirin
  • Antihypertensives
  • Simvastatin
  • Albuterol And Ipratropium Nebulizers
, and developed a serious reaction and a Neurotoxicity side effect. The patient presented with:
  • Leukoencephalopathy
  • Parkinsonism
  • Neurotoxicity
  • Ataxia
  • Dysarthria
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Metronidazole treatment in female patients suffering from clostridium difficile infection, resulting in Neurotoxicity.

Neurotoxicity, Toxicity To Various Agents, Ataxia, Dysarthria, Off Label Use

A 64-year-old female patient (weight: NA) from GB with the following symptoms: colitis ulcerative started Metronidazole treatment (dosage: 1500mg Od) on NS. Soon after starting Metronidazole treatment, the consumer experienced several side effects, including:
  • Neurotoxicity
  • Toxicity To Various Agents
  • Ataxia
  • Dysarthria
  • Off Label Use
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Metronidazole side effects, such as Neurotoxicity.
Encephalopathy, Ataxia, Chorea, Myoclonus, Neurotoxicity

A patient from CL was prescribed and started Metronidazole (metronidazole) on Dec 17, 2012. Patient felt the following Metronidazole side effects: encephalopathy, ataxia, chorea, myoclonus, neurotoxicity Additional patient health information: male , 60 years of age, The consumer reported the following symptoms: . Metronidazole (metronidazole) dosage: NA. Concurrently used drugs: NA.
Neurotoxicity, Balance Disorder, Fall, Abasia, Cerebellar Ataxia, Cerebellar Syndrome

This report suggests a potential Metronidazole (metronidazole) Neurotoxicity side effect(s) that can have serious consequences. A 61-year-old patient from GB (weight:NA) was diagnosed with the following health condition(s): bacterial infection and used Metronidazole (metronidazole) (dosage: NA) starting NS. Soon after starting Metronidazole (metronidazole) the patient began experiencing various side effects, including:
  • Neurotoxicity
  • Balance Disorder
  • Fall
  • Abasia
  • Cerebellar Ataxia
  • Cerebellar Syndrome
Drugs used concurrently:
  • Meropenem
The patient was hospitalized. Although Metronidazole (metronidazole) demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Neurotoxicity, may still occur.
Somnolence, Slow Response To Stimuli, Dysarthria, Cerebellar Syndrome, Ataxia, Neurotoxicity, Toxic Encephalopathy

An adverse event was reported by a consumer or non-health professional on Sep 24, 2012 by a male taking Metronidazole (dosage: NA) was diagnosed with and. Location: KR , 71 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Metronidazole side effects: somnolence, slow response to stimuli, dysarthria, cerebellar syndrome, ataxia, neurotoxicity, toxic encephalopathy. Additional medications/treatments:
Ataxia, Grand Mal Convulsion, Dysarthria, Cerebellar Syndrome, Neurotoxicity

This Neurotoxicity problem was reported by a physician from CA. A 54-year-old patient (weight: NA) was diagnosed with the following medical condition(s): bronchiectasis.On NS a consumer started treatment with Metronidazole (metronidazole) (dosage: NA). The following drugs/medications were being taken at the same time: NA. When commencing Metronidazole (metronidazole), the patient experienced the following unwanted symptoms /side effects:
  • Ataxia
  • Grand Mal Convulsion
  • Dysarthria
  • Cerebellar Syndrome
  • Neurotoxicity
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 Neurotoxicity, may become evident only after a product is in use by the general population.
Ataxia, Dysarthria, Neurotoxicity

This is a Metronidazole side effect report of a 54-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: NA and was treated with Metronidazole (dosage: NA) starting NS. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Ataxia
  • Dysarthria
  • Neurotoxicity
The patient was hospitalized. This opens a possibility that Metronidazole could cause Neurotoxicity and that some female patients may be more susceptible.
Cerebellar Ataxia, Dysarthria, Peripheral Sensory Neuropathy, Peripheral Motor Neuropathy, Dizziness, Diplopia, Speech Disorder, Neurotoxicity

This Neurotoxicity side effect was reported by a consumer or non-health professional from US on Sep 13, 2012. A patient from US , 50 years of age, was treated with Metronidazole. Directly after treatment started, patient experienced the unwanted or unexpected Metronidazole side effects: cerebellar ataxia, dysarthria, peripheral sensory neuropathy, peripheral motor neuropathy, dizziness, diplopia, speech disorder, neurotoxicity. Metronidazole dosage: (200 G; Total Dose). The patient was hospitalized. These side effects may potentially be related to Metronidazole.
Cerebellar Ataxia, Fall, Neurotoxicity

This Neurotoxicity side effect was reported by a health professional from US. A 63-year-old patient (weight:NA) experienced the following symptoms/conditions: abscess,osteomyelitis. The patient was prescribed Metronidazole 500 Mg / 100 Ml Intravenous Infusion (dosage: NA), which was started on NS. Concurrently used drugs: NA. When starting to take Metronidazole 500 Mg / 100 Ml Intravenous Infusion the consumer reported the following symptoms:
  • Cerebellar Ataxia
  • Fall
  • Neurotoxicity
The patient was hospitalized. These side effects may potentially be related to Metronidazole 500 Mg / 100 Ml Intravenous Infusion.
Cerebellar Ataxia, Dysarthria, Paraesthesia, Neurotoxicity

This Neurotoxicity Metronidazole side effect was reported by a health professional from US on Sep 13, 2012. A Female , 45 years of age, was treated with Metronidazole. The patient presented the following health conditions:
  • Cerebellar Ataxia
  • Dysarthria
  • Paraesthesia
  • Neurotoxicity
. Metronidazole dosage: (84 G; Total Dose Oral). Additional drugs used at the same time: NA. The patient was hospitalized.
Cerebellar Ataxia, Dysarthria, Dysphagia, Peripheral Sensory Neuropathy, Neurotoxicity

This is a Metronidazole side effect report of a 74-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Metronidazole (dosage:(180 G; Total Dose), start time: NS), combined with: NA., and developed a serious reaction and a Neurotoxicity side effect. The patient presented with:
  • Cerebellar Ataxia
  • Dysarthria
  • Dysphagia
  • Peripheral Sensory Neuropathy
  • Neurotoxicity
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Metronidazole treatment in female patients suffering from NA, resulting in Neurotoxicity.
Cerebellar Ataxia, Dysarthria, Confusional State, Neuropathy Peripheral, Paraesthesia, Neurotoxicity

A 45-year-old female patient (weight: NA) from US with the following symptoms: NA started Metronidazole treatment (dosage: NA) on NS. Soon after starting Metronidazole treatment, the consumer experienced several side effects, including:
  • Cerebellar Ataxia
  • Dysarthria
  • Confusional State
  • Neuropathy Peripheral
  • Paraesthesia
  • Neurotoxicity
. Concurrently used drugs: NA.The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Metronidazole side effects, such as Neurotoxicity.
Cerebellar Ataxia, Dysarthria, Neurotoxicity

A patient from US was prescribed and started Metronidazole on Sep 13, 2012. After Metronidazole was administered, patient encountered several Metronidazole side effects: cerebellar ataxia, dysarthria, neurotoxicity Additional patient health information: male , 62 years of age, The consumer reported the following symptoms: . Metronidazole dosage: NA. Concurrently used drugs: NA. The patient was hospitalized.
Cerebellar Ataxia, Neurotoxicity, Dysarthria, Disorientation, Paraesthesia

This report suggests a potential Metronidazole Neurotoxicity side effect(s) that can have serious consequences. A 34-year-old patient from US (weight:NA) was diagnosed with the following health condition(s): NA and used Metronidazole (dosage: (66 G; Total Dose)) starting NS. Soon after starting Metronidazole the patient began experiencing various side effects, including:
  • Cerebellar Ataxia
  • Neurotoxicity
  • Dysarthria
  • Disorientation
  • Paraesthesia
Drugs used concurrently:NA. The patient was hospitalized. Although Metronidazole demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Neurotoxicity, may still occur.
Cerebellar Ataxia, Dysarthria, Neurotoxicity

An adverse event was reported by a consumer or non-health professional on Sep 12, 2012 by a male taking Metronidazole (dosage: NA) . Location: US , 74 years of age, patient began experiencing various side effects, including: Patient felt the following Metronidazole side effects: cerebellar ataxia, dysarthria, neurotoxicity. Additional medications/treatments: The patient was hospitalized.
Neurotoxicity, Toxic Encephalopathy, Hepatic Encephalopathy

This Neurotoxicity problem was reported by a health professional from JP. A 68-year-old patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Metronidazole (metronidazole) (dosage: NA). The following drugs/medications were being taken at the same time:
  • Clindamycin
When commencing Metronidazole (metronidazole), the patient experienced the following unwanted symptoms /side effects:
  • Neurotoxicity
  • Toxic Encephalopathy
  • Hepatic Encephalopathy
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 Neurotoxicity, may become evident only after a product is in use by the general population.
Cerebellar Syndrome, Vith Nerve Paralysis, Toxic Encephalopathy, Axonal Neuropathy, Peripheral Sensory Neuropathy, Neurotoxicity

This is a Metronidazole side effect report of a 21-year-old patient (weight: NA) from FR. The patient developed the following symptoms/conditions: brain abscess and was treated with Metronidazole (dosage: NA) starting NS. Concurrently used drugs:
  • Ceftriaxone
Soon after that, the consumer experienced the following of symptoms:
  • Cerebellar Syndrome
  • Vith Nerve Paralysis
  • Toxic Encephalopathy
  • Axonal Neuropathy
  • Peripheral Sensory Neuropathy
  • Neurotoxicity
The patient was hospitalized. This opens a possibility that Metronidazole could cause Neurotoxicity and that some patients may be more susceptible.
Neurotoxicity, Vertigo, Gait Disturbance, Tinnitus, Ataxia, Deafness

This Neurotoxicity side effect was reported by a health professional from AUSTRALIA on Feb 28, 2012. A patient from AUSTRALIA , 30 years of age, was diagnosed with and was treated with Metronidazole. Patient felt the following Metronidazole side effects: neurotoxicity, vertigo, gait disturbance, tinnitus, ataxia, deafness. Metronidazole dosage: Unk. These side effects may potentially be related to Metronidazole.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Metronidazole Neurotoxicity Causes and Reviews


Methamphetamine - meth for short - is a very addictive stimulant drug. It is a powder that can be made into a pill or a shiny rock (called a crystal). The powder can be eaten or snorted up the nose. It can also be mixed with liquid and injected into your body with a needle. Crystal meth is smoked in a small glass pipe.

Meth at first causes a rush of good feelings, but then users feel edgy, overly excited, angry, or afraid. Meth use can quickly lead to addiction. It causes medical problems including

  • Making your body temperature so high that you pass out
  • Severe itching
  • "Meth mouth" - broken teeth and dry mouth
  • Thinking and emotional problems

NIH: National Institute on Drug Abuse


Metronidazole Neurotoxicity Reviews

Sat, 19 May 2012

I had this wierd taste in my mouth when I ate. It made everything taste expired, even flavored water.

Wed, 23 May 2012

how you can forestall Morning illness throughout being pregnant is a thriller widespread in pregnant girls.  Nausea happens as one among the early indicators of being pregnant. 

Thu, 09 Feb 2012

Started four doses of 500 mg 3x/day, then shifted to iv metro in the hospital, then 2 more doses at home. I feel dizzy and lightheaded. It's been less than two days since i stopped it, i still have a bit of dizziness and lightheadedness. I wonder how many days will this dizziness persist?

Sat, 26 May 2012

If a harmful invader sets up camp somewhere on your body, the immune system mounts a defense by sending white blood cells, the body's main infection-fighting cells, into the area.

Sat, 09 Apr 2011

Describe Your Metronidazole Experience Here: after taking a total of 4 pills, 1 first day 2 second day and 1 in third day. I had symptoms begin on that second day. There was tingling in my lips with burning in my lips and tongue. The next day they look swollen. My ear was all congested, around opening of nose it burns and I have nasal congestion and runny. My eye lid swelled up and I have a confirmed bacterial infection in eye.(may be related to meds) eye dr wouldn't say. Doctor who out me on meds told me not to take anymore, so I'm waiting for these symptoms to go away. How long after meds are stopped will symptoms go away? I've had alot of symptoms some common some not so.

Mon, 12 Jan 2009
prescribed Metronidazole for tooth complaint after one day felt dizzy, day two pins and needles and numbness in arms and day three severe abdominal pains.taken to hospital then transfered to emergency care unit. after six hours of tests it appeared to be a severe reaction to Metronidazole.i will never use this drug again.
Sun, 15 Feb 2009
I am deeply indebted to Danny Smith with his comments about Metronidazole. I was also prescribed Metronidazole for a tooth complaint and after experiencing dizziness and being very unwell with nausea, happened to find his remarks on the net. After taking each tablet my symptoms increased and finally searched the net for some information. I immediately stopped my medication and alerted my Dr who has prescribed anti nausea pills and amoxycillin which have settled my symptoms and the infection has reduced in anticipation of root canals to be performed in a couple of days.
Tue, 19 May 2009
Was prescribed Flagyl and also had sever reaction to drug. After two days hand numb and tingly, day three I could hardly walk, my mind was in a fog and I couldn't think. Completely surpressed my appetite and gave me terrible anxiety.
Mon, 25 Jan 2010
Can I take Flagyl for a UTI?
Thu, 11 Feb 2010
Diagnosed with BV and started taking Flagyl orally twice per day for 7 days. In the 4th day of my treatment my period started. Had very heavy flow. No cramps but very heavy menstrual bleeding and passed large blood clots. Very worried.
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Metronidazole Side Effects

Dysarthria (124)
Dizziness (124)
Vomiting (119)
Nausea (108)
Encephalopathy (106)
Diarrhoea (102)
Paraesthesia (93)
Headache (88)
Confusional State (80)
Ataxia (80)
Toxic Encephalopathy (71)
Pruritus (67)
Gait Disturbance (62)
Neuropathy Peripheral (60)
Pain (60)
Pyrexia (58)
Cerebellar Syndrome (58)
Rash (56)
Urticaria (51)
Malaise (49)
Neurotoxicity (44)
Anaphylactic Reaction (44)
Abdominal Pain (43)
Dyspnoea (42)
Anxiety (41)
Dysgeusia (41)
International Normalised Ratio Increased (39)
Asthenia (38)
Hypoaesthesia (37)
Fatigue (37)
Convulsion (34)
Somnolence (34)
Nuclear Magnetic Resonance Imaging Brain Abnormal (32)
Pain In Extremity (31)
Coordination Abnormal (31)
Arthralgia (31)
Abdominal Pain Upper (30)
Balance Disorder (30)
Clostridium Difficile Colitis (30)
Depression (30)
Chest Pain (30)
Cerebellar Ataxia (29)
Insomnia (28)
Dysphagia (27)
Condition Aggravated (27)
Feeling Abnormal (27)
Psychotic Disorder (27)
Nystagmus (26)
Liver Function Test Abnormal (26)
Muscular Weakness (25)

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