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Flagyl Confusional State Side Effects

Flagyl Confusional State Side Effect Reports


The following Flagyl 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 Flagyl or it might take time to develop.



Delirium, Confusional State, Hallucination, Visual, Blood Creatinine Increased, International Normalised Ratio Increased, Blood Glucose Increased, Nuclear Magnetic Resonance Imaging Abnormal, Red Blood Cell Abnormality, Overdose

This Confusional State side effect was reported by a health professional from FR. A 62-year-old patient (weight:NA) experienced the following symptoms/conditions: diverticulitis. The patient was prescribed Flagyl (metronidazole) (metronidazole) (dosage: NA), which was started on NS. Concurrently used drugs:
  • Levofloxacin
When starting to take Flagyl (metronidazole) (metronidazole) the consumer reported the following symptoms:
  • Delirium
  • Confusional State
  • Hallucination, Visual
  • Blood Creatinine Increased
  • International Normalised Ratio Increased
  • Blood Glucose Increased
  • Nuclear Magnetic Resonance Imaging Abnormal
  • Red Blood Cell Abnormality
  • Overdose
The patient was hospitalized. These side effects may potentially be related to Flagyl (metronidazole) (metronidazole).
Confusional State, Dehydration, Hyponatraemia, Renal Failure Acute, Tubulointerstitial Nephritis

This Confusional State Flagyl side effect was reported by a health professional from FR on Sep 06, 2013. A Female , 91 years of age, was diagnosed with and was treated with Flagyl. The patient presented the following health conditions:
  • Confusional State
  • Dehydration
  • Hyponatraemia
  • Renal Failure Acute
  • Tubulointerstitial Nephritis
. Flagyl dosage: NA. Additional drugs used at the same time:
  • Lovenox
  • Doliprane
  • Amoxicillin (?)
  • Movicol
  • Amlor
  • Ceftriaxone
Hypoaesthesia, Paraesthesia, Nausea, Back Pain, Nervous System Disorder, Confusional State, Decreased Appetite, Dysgeusia

This is a Flagyl side effect report of a 43-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: gastrointestinal infection, who was treated with Flagyl (dosage:NA, start time: Aug 27, 2013), combined with: NA., and developed a serious reaction and a Confusional State side effect. The patient presented with:
  • Hypoaesthesia
  • Paraesthesia
  • Nausea
  • Back Pain
  • Nervous System Disorder
  • Confusional State
  • Decreased Appetite
  • Dysgeusia
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Flagyl treatment in female patients suffering from gastrointestinal infection, resulting in Confusional State.

Clonus, Tremor, Encephalopathy, Clostridium Test Positive, Confusional State, Overdose, Hepatic Failure, Anxiety, Thrombocytopenia

A 88-year-old patient (weight: NA) from FR with the following symptoms: pseudomembranous colitis,urinary tract infection started Flagyl treatment (dosage: 2 Ut, Daily, Oral) on Jun 07, 2013. Soon after starting Flagyl treatment, the consumer experienced several side effects, including:
  • Clonus
  • Tremor
  • Encephalopathy
  • Clostridium Test Positive
  • Confusional State
  • Overdose
  • Hepatic Failure
  • Anxiety
  • Thrombocytopenia
. Concurrently used drugs:
  • Zyvoxid (600mg 2 In 1 D Intravenous)
  • Seroplex
  • Augmentin (spektramox (clavulanate Potassium, Amoxicillin Trihydrate)
  • Lantus (insulin Glargine) (insulin Glargine)
  • Previscan (fluindione) (fluindione)
  • Pravastatine )pravastatin Sodium) (pravastatin Sodium)
  • Cardensiel (bisoprolol Fumarate) (bisoprolol Fumarate)
  • Lasilix (furosemide) (furosemide)
This finding indicates that some patients can be more vulnerable to developing Flagyl side effects, such as Confusional State.
Cerebellar Haematoma, Confusional State, Atrial Fibrillation, Condition Aggravated, Vomiting, International Normalised Ratio Increased, Acute Pulmonary Oedema

A female patient from FR was prescribed and started Flagyl on May 03, 2013. Patient felt the following Flagyl side effects: cerebellar haematoma, confusional state, atrial fibrillation, condition aggravated, vomiting, international normalised ratio increased, acute pulmonary oedema Additional patient health information: Female , 90 years of age, The consumer reported the following symptoms: . Flagyl dosage: NA. Concurrently used drugs:
  • Previscan (fluindione)
  • Rocephine (ceftriaxone Sodium) (1 Gram, Powder) (ceftriaxone Sodium)
  • Cordarone (amiodarone Hydrochloride) (amiodarone Hydrochloride)
  • Lercan (lercanidipine Hydrochloride) (lercanidipine Hydrochloride)
  • Kaleorid (potassium Chloride) (potassium Chloride)
  • Pariet (rabeprazole Sodium) (rabeprazole Sodium)
The patient was hospitalized.
Encephalopathy, Speech Disorder, Confusional State, Abnormal Behaviour, Diet Refusal, Disorientation, Axonal Neuropathy, Gastrointestinal Perforation

This report suggests a potential Flagyl Confusional State side effect(s) that can have serious consequences. A 81-year-old female patient from FR (weight:NA) was diagnosed with the following health condition(s): abscess intestinal and used Flagyl (dosage: 500 Mg, 3 In 1 D, Oral) starting Feb 24, 2012. Soon after starting Flagyl the patient began experiencing various side effects, including:
  • Encephalopathy
  • Speech Disorder
  • Confusional State
  • Abnormal Behaviour
  • Diet Refusal
  • Disorientation
  • Axonal Neuropathy
  • Gastrointestinal Perforation
Drugs used concurrently:
  • Tavanic
  • Ulcar
  • Mianserine
  • Alprazolam (alprazolam) (alprazolam)
  • Sotalol
  • Natispray (glyceryl Trinitrate) (glyceryl Trinitrate)
  • Motilium (domperidone) (domperidone)
The patient was hospitalized. Although Flagyl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Confusional State, may still occur.
Headache, Confusional State, Asthenia, Vision Blurred, Meningitis Aseptic, Csf Glucose Increased, Csf Protein Increased

An adverse event was reported by a pharmacist on Dec 18, 2012 by a Female taking Flagyl (dosage: NA) was diagnosed with and. Location: US , 77 years of age, weighting 177.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Flagyl side effects: headache, confusional state, asthenia, vision blurred, meningitis aseptic, csf glucose increased, csf protein increased. Additional medications/treatments: The patient was hospitalized.
Sleep Disorder, Dystonia, Disturbance In Attention, Nervous System Disorder, Muscle Spasms, Pain In Extremity, Headache, Hallucination, Confusional State

This Confusional State problem was reported by a physician from NL. A 54-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): giardiasis.On Mar 24, 2005 a consumer started treatment with Flagyl (dosage: (df Oral)). The following drugs/medications were being taken at the same time:
  • Diazepam
  • Codeine
When commencing Flagyl, the patient experienced the following unwanted symptoms /side effects:
  • Sleep Disorder
  • Dystonia
  • Disturbance In Attention
  • Nervous System Disorder
  • Muscle Spasms
  • Pain In Extremity
  • Headache
  • Hallucination
  • Confusional State
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.
Neutropenia, Dyspnoea, Ascites, Jaundice, Renal Failure Acute, Confusional State, Somnolence, Sepsis, Enterobacter Infection

This is a Flagyl side effect report of a 58-year-old female patient (weight: NA) from FR. The patient developed the following symptoms/conditions: clostridium difficile colitis and was treated with Flagyl (dosage: NA) starting Jul 30, 2012. Concurrently used drugs:
  • Smecta
  • Tiorfan
  • Saccharomyces
  • Skenan
  • Imurel /00001501/
  • Humira
  • Coaprovel
  • Lercan
Soon after that, the consumer experienced the following of symptoms:
  • Neutropenia
  • Dyspnoea
  • Ascites
  • Jaundice
  • Renal Failure Acute
  • Confusional State
  • Somnolence
  • Sepsis
  • Enterobacter Infection
The patient was hospitalized. This opens a possibility that Flagyl could cause Confusional State and that some female patients may be more susceptible.
Cognitive Disorder, Confusional State

This Confusional State side effect was reported by a physician from SPAIN on May 24, 2012. A female patient from SPAIN , 73 years of age, was diagnosed with and was treated with Flagyl. Directly after treatment started, patient experienced the unwanted or unexpected Flagyl side effects: cognitive disorder, confusional state. Flagyl dosage: 250 Mg 6x/day Oral). These side effects may potentially be related to Flagyl.
Dysstasia, Fatigue, Cerebellar Syndrome, Confusional State

This Confusional State side effect was reported by a physician from SWEDEN. A 59-year-old female patient (weight:NA) experienced the following symptoms/conditions: localised infection. The patient was prescribed Flagyl (dosage: NA), which was started on Dec 12, 2011. Concurrently used drugs: NA. When starting to take Flagyl the consumer reported the following symptoms:
  • Dysstasia
  • Fatigue
  • Cerebellar Syndrome
  • Confusional State
The patient was hospitalized. These side effects may potentially be related to Flagyl.
Night Sweats, Pain In Extremity, Tremor, Fatigue, Flatulence, Arthralgia, Muscle Spasms, Confusional State, Abdominal Distension

This Confusional State Flagyl side effect was reported by a consumer or non-health professional from UNITED STATES on Feb 29, 2012. A Female , 70 years of age, weighting 86.00 lb, was diagnosed with and was treated with Flagyl. The patient presented the following health conditions:
  • Night Sweats
  • Pain In Extremity
  • Tremor
  • Fatigue
  • Flatulence
  • Arthralgia
  • Muscle Spasms
  • Confusional State
  • Abdominal Distension
. Flagyl dosage: 500 Mg 3 Times Daily Mouth. Additional drugs used at the same time: NA.
Cognitive Disorder, Confusional State

This is a Flagyl side effect report of a 72-year-old female patient (weight:NA) from SPAIN, suffering from the following symptoms/conditions: clostridium difficile colitis, who was treated with Flagyl (dosage:Df, Qd Oral, start time: Sep 14, 2011), combined with: NA., and developed a serious reaction and a Confusional State side effect. The patient presented with:
  • Cognitive Disorder
  • Confusional State
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Flagyl treatment in female patients suffering from clostridium difficile colitis, resulting in Confusional State.
Confusional State, Cerebral Disorder

A female patient (weight: NA) from UNITED STATES with the following symptoms: sinusitis started Flagyl treatment (dosage: 500 Mg, 3x/day) on Jan 16, 2011. Soon after starting Flagyl treatment, the consumer experienced several side effects, including:
  • Confusional State
  • Cerebral Disorder
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Flagyl side effects, such as Confusional State.
Ammonia Decreased, Anxiety, Blood Pressure Increased, Chills, Confusional State, Depression, Eating Disorder, Feeling Abnormal

A patient from UNITED STATES was prescribed and started Flagyl on Sep 24, 2010. After Flagyl was administered, patient encountered several Flagyl side effects: ammonia decreased, anxiety, blood pressure increased, chills, confusional state, depression, eating disorder, feeling abnormal Additional patient health information: male , weighting 164.0 lb, The consumer reported the following symptoms: was diagnosed with and. Flagyl dosage: 500 Mg, 3x/day. Concurrently used drugs:
  • Xanax (Unk)
Anxiety, Confusional State, Depression

This report suggests a potential Flagyl Confusional State side effect(s) that can have serious consequences. A female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): tooth infection and used Flagyl (dosage: 375 Mg, 3x/day) starting Jul 14, 2010. Soon after starting Flagyl the patient began experiencing various side effects, including:
  • Anxiety
  • Confusional State
  • Depression
Drugs used concurrently:
  • Penicillin Nos
Although Flagyl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Confusional State, may still occur.
Burning Sensation, Confusional State, Dizziness, Nausea, Tinnitus

An adverse event was reported by a consumer or non-health professional on Aug 27, 2010 by a Female taking Flagyl (dosage: 500 Mg 3x Day Oral (047)) was diagnosed with and. Location: UNITED STATES , 46 years of age, weighting 125.0 lb, patient began experiencing various side effects, including: Patient felt the following Flagyl side effects: burning sensation, confusional state, dizziness, nausea, tinnitus. Additional medications/treatments:
Abnormal Behaviour, Amnesia, Confusional State

This Confusional State problem was reported by a consumer or non-health professional from UNITED STATES. A patient (weight: NA) was diagnosed with the following medical condition(s): infection,complex partial seizures.On Jan 01, 2003 a consumer started treatment with Flagyl (dosage: NA). The following drugs/medications were being taken at the same time:
  • Gabitril
  • Levaquin
  • Zocor
  • Lisinopril
  • Tiazac
  • Zantac
  • Aspirin
  • Vitamins
When commencing Flagyl, the patient experienced the following unwanted symptoms /side effects:
  • Abnormal Behaviour
  • Amnesia
  • Confusional State
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.
Anxiety, Aphasia, Blood Urine Present, Confusional State, Depressed Mood, Extensor Plantar Response, Fear, Hyperreflexia

This is a Flagyl side effect report of a 18-year-old female patient (weight: NA) from UNITED KINGDOM. The patient developed the following symptoms/conditions: pelvic inflammatory disease and was treated with Flagyl (dosage: 400 Mg, Tid) starting NS. Concurrently used drugs:
  • Ofloxacin (400 Mg, Bid)
  • Amoxicillin And Clavulanate Potassium (Unk)
Soon after that, the consumer experienced the following of symptoms:
  • Anxiety
  • Aphasia
  • Blood Urine Present
  • Confusional State
  • Depressed Mood
  • Extensor Plantar Response
  • Fear
  • Hyperreflexia
The patient was hospitalized and became disabled. This opens a possibility that Flagyl could cause Confusional State and that some female patients may be more susceptible.
Anxiety, Aphasia, Blood Immunoglobulin M Increased, Blood Urine Present, Confusional State, Depressed Mood, Encephalitis Viral, Extensor Plantar Response

This Confusional State side effect was reported by a health professional from UNITED KINGDOM on Jun 12, 2009. A female patient from UNITED KINGDOM , 18 years of age, was diagnosed with and was treated with Flagyl. Patient felt the following Flagyl side effects: anxiety, aphasia, blood immunoglobulin m increased, blood urine present, confusional state, depressed mood, encephalitis viral, extensor plantar response. Flagyl dosage: 400 Mg, Bid.
Multiple prescriptions taken:
  • Ofloxacin (400 Mg, Tid)
  • Amoxicillin And Clavulanate Potassium (Unk)
These side effects may potentially be related to Flagyl.

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

Flagyl Confusional State Causes and Reviews


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Flagyl Confusional State Reviews

Thu, 07 Jan 2010
The exact same thing happened to me after I was prescribed high dose Flagyl for 5 days for suspected diverticulitis (painful bloating, frothy yellow diarrhea, excessive foul gas, etc.) my doc also put me on a Clear Liquid Diet for 3 days before I had this episode... I called 911 from work because I felt chest tightness, shortness of breath, extremely lightheaded, and couldn't stand up or walk without almost passing out. I was confused also with difficulty concentrating and speaking. EMTs found my blood pressure to be 170/100 and my EKG showed a "Right Bundle Branch Block". I felt better after they gave me nitroglycerin and 4 baby aspirins. At the ER my EKGs and cardiac enzymes were normal. A CT scan of my abdomen failed to show any diverticulitis- they told me it looked completely normal. They also said I was dehydrated with a slightly low potassium level which was to be expected after 9 days of diarrhea. They thought my episode was caused by severe intestinal spasms probably due to side effects of the Flagyl and ibuprofen I had taken that morning on basically an empty stomach!
Wed, 12 May 2010
I am currenty on Flagyl for a pelvic infection in combination with vibramyacin. This morning I took the vibramyacin and then was planning on taking the Flagyl an hour later, but I spent the this morning vomiting. I called the dr. and was told by my dr. to continue taking both but with food..vibramyacin said to take on empty stomach, but I think the Flagyl was effecting me from the night before and not drinking enough water in combo with the vibramyacin .. and I think that's why I threw up I did not take the Flagyl before I threw up, however, after I was ok and spoke to the dr hours later , he told me to continue taking both but I took the Flagyl thinking it was the vibramyacin causing all the trouble, I had stomach burning all day and then just a half hour ago I took the Flagyl again and immedialtey had I realized soon after taking it again that it is the culprit causing a heartburn like burning senstation in my stomach and lower esophogas... I am calling my dr. tomorrow again to tell him that I can't deal with this. I tried to push through since I want to be fully rid of the pelvic infection but this is ridiculous. It feels like a horrible heartburn burning sensation.
Fri, 09 Jul 2010
I took Flagyl for 5 days each day feeling worse nausea an inner agitation and yawning for air difficulty breathing.....felt like it was attacking my intestines and the body was reacting and going into flight or fight. Very uncomfortable really unbearable had to stop it feltl like I was poisoning myself. Feel like my insides have been stripped I am left feeling anxious and fragile. Treatment way worse than what it was prescribed for.I think it caused anxiety nearly panic
Fri, 07 Jan 2011
My son was treated with Flagyl and vancomycin for cdiff. Today after 2 weeks off vanco he has mucus in his stool. Does he still have cdiff? What should we do
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Flagyl Side Effects

Diarrhoea (69)
Pyrexia (65)
Paraesthesia (59)
Vomiting (56)
Nausea (53)
Dizziness (51)
Hypoaesthesia (46)
Rash (44)
Pain (44)
Neuropathy Peripheral (43)
Abdominal Pain (43)
Confusional State (41)
Pruritus (37)
Dyspnoea (37)
Weight Decreased (36)
Urticaria (36)
Chills (34)
Thrombocytopenia (32)
Dysgeusia (31)
Headache (29)
Hypersensitivity (29)
Renal Failure Acute (27)
Anxiety (27)
Erythema (26)
Convulsion (26)
Oedema Peripheral (23)
Insomnia (22)
Neutropenia (22)
Asthenia (22)
Cholestasis (22)
Malaise (21)
Fatigue (21)
Anaemia (20)
Burning Sensation (19)
Fall (18)
Gait Disturbance (18)
Arthralgia (18)
Alanine Aminotransferase Increased (17)
Clostridium Difficile Colitis (17)
Abdominal Discomfort (17)
Depression (17)
Toxic Skin Eruption (17)
Muscle Spasms (17)
Hepatitis (16)
Hypotension (16)
Pancreatitis Acute (16)
Pain In Extremity (16)
Tremor (16)
Pancreatitis (15)
Polyneuropathy (15)

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