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Metronidazole Fatigue Side Effects

Metronidazole Fatigue Side Effect Reports


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

This information will help you understand how side effects, such as Fatigue, 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.



Fatigue, Hunger, Headache, Blood Glucose Decreased

This Fatigue side effect was reported by a consumer or non-health professional from GB. A 52-year-old female patient (weight:NA) experienced the following symptoms/conditions: infection. The patient was prescribed Metronidazole (dosage: NA), which was started on Nov 11, 2013. Concurrently used drugs: NA. When starting to take Metronidazole the consumer reported the following symptoms:
  • Fatigue
  • Hunger
  • Headache
  • Blood Glucose Decreased
These side effects may potentially be related to Metronidazole.
Fatigue, Hunger, Headache

This Fatigue Metronidazole side effect was reported by a health professional from GB on Dec 04, 2013. A Female , 52 years of age, weighting 194.0 lb, was diagnosed with and was treated with Metronidazole. The patient presented the following health conditions:
  • Fatigue
  • Hunger
  • Headache
. Metronidazole dosage: 400 Mg, Tid. Additional drugs used at the same time: NA.
Headache, Fatigue, Somnolence, Clumsiness, Feeling Abnormal, Blood Urine Present

This is a Metronidazole side effect report of a 37-year-old female patient (weight:NA) from GB, suffering from the following symptoms/conditions: vulvovaginal candidiasis, who was treated with Metronidazole (dosage:NA, start time: Oct 08, 2013), combined with: NA., and developed a serious reaction and a Fatigue side effect. The patient presented with:
  • Headache
  • Fatigue
  • Somnolence
  • Clumsiness
  • Feeling Abnormal
  • Blood Urine Present
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 vulvovaginal candidiasis, resulting in Fatigue.

Fatigue, Malaise, Somnolence, Headache, Depression, Confusional State, Dysgeusia

A 28-year-old female patient (weight: NA) from US with the following symptoms: helicobacter infection started Metronidazole treatment (dosage: NA) on Sep 26, 2013. Soon after starting Metronidazole treatment, the consumer experienced several side effects, including:
  • Fatigue
  • Malaise
  • Somnolence
  • Headache
  • Depression
  • Confusional State
  • Dysgeusia
. Concurrently used drugs:
  • Clarityn
  • Omeprazole (omeprazole) (omeprazole)
  • Amoxcillin (amoxicillin) (amoxicillin)
This finding indicates that some patients can be more vulnerable to developing Metronidazole side effects, such as Fatigue.
Depression, Headache, Fatigue, Malaise, Confusional State, Dysgeusia, Somnolence

A female patient from GB was prescribed and started Metronidazole on Oct 25, 2013. Patient felt the following Metronidazole side effects: depression, headache, fatigue, malaise, confusional state, dysgeusia, somnolence Additional patient health information: Female , 29 years of age, The consumer reported the following symptoms: was diagnosed with and. Metronidazole dosage: 400 Mg, Bid; One Tablet Twice A Day. Concurrently used drugs:
  • Clarityn /00917501/ (Unk)
  • Omeprazole (Unk)
  • Amoxicillin (Unk)
Fatigue, Malaise, Somnolence, Headache, Confusional State, Dysgeusia, Depression

This report suggests a potential Metronidazole Fatigue side effect(s) that can have serious consequences. A 29-year-old female patient from GB (weight:NA) was diagnosed with the following health condition(s): helicobacter infection and used Metronidazole (dosage: 400 Mg, Bid) starting Sep 26, 2013. Soon after starting Metronidazole the patient began experiencing various side effects, including:
  • Fatigue
  • Malaise
  • Somnolence
  • Headache
  • Confusional State
  • Dysgeusia
  • Depression
Drugs used concurrently:
  • Clarityn
  • Omeprazole
  • Amoxicillin
Although Metronidazole demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Fatigue, may still occur.
Headache, Sinus Congestion, Dizziness, Oropharyngeal Pain, Decreased Appetite, Urticaria, Fatigue, Pruritus, Rash

An adverse event was reported by a consumer or non-health professional on Sep 23, 2013 by a Female taking Metronidazole (dosage: 1 Pill Twice Daily Taken By Mouth) was diagnosed with and. Location: US , 31 years of age, weighting 135.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Metronidazole side effects: headache, sinus congestion, dizziness, oropharyngeal pain, decreased appetite, urticaria, fatigue, pruritus, rash. Additional medications/treatments:
Fatigue, Anaemia

This Fatigue problem was reported by a health professional from US. A 78-year-old patient (weight: NA) was diagnosed with the following medical condition(s): clostridium difficile infection,renal failure acute,sepsis.On NS a consumer started treatment with Metronidazole (dosage: Unk). The following drugs/medications were being taken at the same time: NA. When commencing Metronidazole, the patient experienced the following unwanted symptoms /side effects:
  • Fatigue
  • Anaemia
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 Fatigue, may become evident only after a product is in use by the general population.
Urticaria, Pruritus, Oral Discomfort, Fatigue, Confusional State, Swollen Tongue, Tongue Discolouration, Candida Infection, Unevaluable Event

This is a Metronidazole side effect report of a 57-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: small intestinal bacterial overgrowth and was treated with Metronidazole (dosage: 1 3 X Day Po) starting Feb 13, 2013. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Urticaria
  • Pruritus
  • Oral Discomfort
  • Fatigue
  • Confusional State
  • Swollen Tongue
  • Tongue Discolouration
  • Candida Infection
  • Unevaluable Event
This opens a possibility that Metronidazole could cause Fatigue and that some female patients may be more susceptible.
Deafness, Fatigue, Dizziness, Vomiting, Balance Disorder, Ataxia, Dysarthria, Encephalitis Viral, Meningitis Bacterial

This Fatigue side effect was reported by a physician from AU on Dec 11, 2012. A patient from AU , 50 years of age, was diagnosed with and was treated with Metronidazole. Directly after treatment started, patient experienced the unwanted or unexpected Metronidazole side effects: deafness, fatigue, dizziness, vomiting, balance disorder, ataxia, dysarthria, encephalitis viral, meningitis bacterial. Metronidazole dosage: NA.
Associated medications used:
  • Ciprofloxacin
The patient was hospitalized. These side effects may potentially be related to Metronidazole.
Neuropathy Peripheral, Hypoaesthesia, Paraesthesia, Asthenia, Muscular Weakness, Gastrointestinal Disorder, Headache, Dizziness, Fatigue

This Fatigue side effect was reported by a consumer or non-health professional from GB. A 46-year-old female patient (weight:NA) experienced the following symptoms/conditions: tooth infection. The patient was prescribed Metronidazole (dosage: 3 Df, Unk), which was started on Oct 31, 2012. Concurrently used drugs:
  • Nurofen (200 Mg, 4x/day)
  • Paracetamol (500 Mg, 2x/day)
When starting to take Metronidazole the consumer reported the following symptoms:
  • Neuropathy Peripheral
  • Hypoaesthesia
  • Paraesthesia
  • Asthenia
  • Muscular Weakness
  • Gastrointestinal Disorder
  • Headache
  • Dizziness
  • Fatigue
These side effects may potentially be related to Metronidazole.
Muscular Weakness, Asthenia, Fatigue, Neck Pain, Weight Decreased, Hyperacusis, Neuropathy Peripheral, Paraesthesia, Hypoaesthesia

This Fatigue Metronidazole side effect was reported by a consumer or non-health professional from GB on Jan 07, 2013. A Female , 46 years of age, was diagnosed with and was treated with Metronidazole. The patient presented the following health conditions:
  • Muscular Weakness
  • Asthenia
  • Fatigue
  • Neck Pain
  • Weight Decreased
  • Hyperacusis
  • Neuropathy Peripheral
  • Paraesthesia
  • Hypoaesthesia
. Metronidazole dosage: 3 Df, Unk. Additional drugs used at the same time:
  • Nurofen (200 Mg, Qid)
  • Paracetamol (500 Mg, Bid)
Seizure Like Phenomena, Muscle Rigidity, Eye Movement Disorder, Fatigue, Vomiting

This is a Metronidazole side effect report of a female patient (weight:NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Metronidazole (dosage:NA, start time: NS), combined with: NA., and developed a serious reaction and a Fatigue side effect. The patient presented with:
  • Seizure Like Phenomena
  • Muscle Rigidity
  • Eye Movement Disorder
  • Fatigue
  • Vomiting
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 Fatigue.
Vomiting, Diarrhoea, Insomnia, Fatigue, Headache, Dizziness, Tremor, Paraesthesia, Impaired Work Ability

A 28-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: vaginitis bacterial started Metronidazole treatment (dosage: NA) on Mar 10, 2012. Soon after starting Metronidazole treatment, the consumer experienced several side effects, including:
  • Vomiting
  • Diarrhoea
  • Insomnia
  • Fatigue
  • Headache
  • Dizziness
  • Tremor
  • Paraesthesia
  • Impaired Work Ability
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Metronidazole side effects, such as Fatigue.
Heart Rate Decreased, Blood Pressure Increased, Fatigue, Dizziness, Nausea, Feeling Abnormal

A female patient from UNITED STATES was prescribed and started Metronidazole on Mar 05, 2012. After Metronidazole was administered, patient encountered several Metronidazole side effects: heart rate decreased, blood pressure increased, fatigue, dizziness, nausea, feeling abnormal Additional patient health information: Female , weighting 179.0 lb, The consumer reported the following symptoms: was diagnosed with and. Metronidazole dosage: 3 Pills. Concurrently used drugs: NA.
Lung Neoplasm, Pyrexia, Fatigue, Pneumonia, Cough

This report suggests a potential Metronidazole Fatigue side effect(s) that can have serious consequences. A female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): crohn's disease and used Metronidazole (dosage: NA) starting Aug 03, 2007. Soon after starting Metronidazole the patient began experiencing various side effects, including:
  • Lung Neoplasm
  • Pyrexia
  • Fatigue
  • Pneumonia
  • Cough
Drugs used concurrently:
  • Mesalamine
  • Low Dose Flagyl
  • Humira
Although Metronidazole demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Fatigue, may still occur.
Deafness, Vomiting, Dysarthria, Fatigue, Ataxia, Toxic Encephalopathy, Balance Disorder, Dizziness, Loss Of Consciousness

An adverse event was reported by a health professional on Jan 24, 2012 by a male taking Metronidazole (dosage: 400 Mg, Tid) . Location: SWEDEN , 50 years of age, weighting 187.4 lb, patient began experiencing various side effects, including: Patient felt the following Metronidazole side effects: deafness, vomiting, dysarthria, fatigue, ataxia, toxic encephalopathy, balance disorder, dizziness, loss of consciousness. Additional medications/treatments:
Multiple prescriptions taken:
  • Ciprofloxacin (500 Mg, Bid)
  • Cefotaxime (1 G, Tid)
The patient was hospitalized.
Encephalopathy, Dizziness, Ataxia, Deafness, Dysarthria, Fatigue, Vomiting, Balance Disorder

This Fatigue problem was reported by a physician from SWEDEN. A 50-year-old patient (weight: NA) was diagnosed with the following medical condition(s): appendiceal abscess.On NS a consumer started treatment with Metronidazole (dosage: 400 Mg, Tid). The following drugs/medications were being taken at the same time: NA. When commencing Metronidazole, the patient experienced the following unwanted symptoms /side effects:
  • Encephalopathy
  • Dizziness
  • Ataxia
  • Deafness
  • Dysarthria
  • Fatigue
  • Vomiting
  • Balance Disorder
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 Fatigue, may become evident only after a product is in use by the general population.
Deafness, Vomiting, Loss Of Consciousness, Balance Disorder, Dizziness, Dysarthria, Toxic Encephalopathy, Ataxia, Fatigue

This is a Metronidazole side effect report of a 50-year-old patient (weight: NA) from SWEDEN. The patient developed the following symptoms/conditions: NA and was treated with Metronidazole (dosage: 400 Mg, Tid) starting May 01, 2010. Concurrently used drugs:
  • Ciprofloxacin
Soon after that, the consumer experienced the following of symptoms:
  • Deafness
  • Vomiting
  • Loss Of Consciousness
  • Balance Disorder
  • Dizziness
  • Dysarthria
  • Toxic Encephalopathy
  • Ataxia
  • Fatigue
The patient was hospitalized. This opens a possibility that Metronidazole could cause Fatigue and that some patients may be more susceptible.
Deafness, Vomiting, Dysarthria, Encephalopathy, Dizziness, Ataxia, Fatigue, Loss Of Consciousness

This Fatigue side effect was reported by a physician from UNITED KINGDOM on Aug 15, 2011. A patient from UNITED KINGDOM , 50 years of age, weighting 187.4 lb, was diagnosed with and was treated with Metronidazole. Patient felt the following Metronidazole side effects: deafness, vomiting, dysarthria, encephalopathy, dizziness, ataxia, fatigue, loss of consciousness. Metronidazole dosage: 40 Mg Tds, Oral. The patient was hospitalized. These side effects may potentially be related to Metronidazole.

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

Metronidazole Fatigue Causes and Reviews


Everyone feels tired now and then. Sometimes you may just want to stay in bed. But, after a good night's sleep, most people feel refreshed and ready to face a new day. If you continue to feel tired for weeks, it's time to see your doctor. He or she may be able to help you find out what's causing your Fatigue and recommend ways to relieve it.

Fatigue itself is not a disease. Medical problems, treatments, and personal habits can add to Fatigue. These include

  • Taking certain medicines, such as antidepressants, antihistamines, and medicines for nausea and pain
  • Having medical treatments, like chemotherapy and radiation
  • Recovering from major surgery
  • Anxiety, stress, or depression
  • Staying up too late
  • Drinking too much alcohol or too many caffeinated drinks
  • Pregnancy

One disorder that causes extreme Fatigue is chronic Fatigue syndrome (CFS). This Fatigue is not the kind of tired feeling that goes away after you rest. Instead, it lasts a long time and limits your ability to do ordinary daily activities.

NIH: National Institute on Aging


Metronidazole Fatigue 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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