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Metronidazole Headache Side Effects

Metronidazole Headache Side Effect Reports


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

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



Diarrhoea, Nausea, Headache, Depression, Frequent Bowel Movements, Dehydration, Dysstasia, Asthenia, Dizziness

This Headache side effect was reported by a consumer or non-health professional from US. A 65-year-old patient (weight:NA) experienced the following symptoms/conditions: haemorrhoid operation,prophylaxis. The patient was prescribed Metronidazole (dosage: 1 Pill Twice Daily Taken By Mouth), which was started on Feb 13, 2014. Concurrently used drugs: NA. When starting to take Metronidazole the consumer reported the following symptoms:
  • Diarrhoea
  • Nausea
  • Headache
  • Depression
  • Frequent Bowel Movements
  • Dehydration
  • Dysstasia
  • Asthenia
  • Dizziness
These side effects may potentially be related to Metronidazole.
Guillain-barre Syndrome, Radiculitis, Dizziness, Headache

This Headache Metronidazole side effect was reported by a consumer or non-health professional from NL on Feb 21, 2014. A male , child 11 years of age, weighting 68.34 lb, was diagnosed with and was treated with Metronidazole. The patient presented the following health conditions:
  • Guillain-barre Syndrome
  • Radiculitis
  • Dizziness
  • Headache
. Metronidazole dosage: 250 Mg, Tid - 3 Keer Per Dag 1.5 Stuk(s). Additional drugs used at the same time: NA.
Fatigue, Hunger, Headache, Blood Glucose Decreased

This is a Metronidazole side effect report of a 52-year-old female patient (weight:NA) from GB, suffering from the following symptoms/conditions: infection, who was treated with Metronidazole (dosage:NA, start time: Nov 11, 2013), combined with: NA., and developed a serious reaction and a Headache side effect. The patient presented with:
  • Fatigue
  • Hunger
  • Headache
  • Blood Glucose Decreased
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 infection, resulting in Headache.

Fatigue, Hunger, Headache

A 52-year-old female patient (weight: NA) from GB with the following symptoms: infection started Metronidazole treatment (dosage: 400 Mg, Tid) on Nov 11, 2013. Soon after starting Metronidazole treatment, the consumer experienced several side effects, including:
  • Fatigue
  • Hunger
  • Headache
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Metronidazole side effects, such as Headache.
Oedema Peripheral, Tinnitus, Dysgeusia, Headache

A patient from NL was prescribed and started Metronidazole on Nov 14, 2013. Patient felt the following Metronidazole side effects: oedema peripheral, tinnitus, dysgeusia, headache Additional patient health information: male , 80 years of age, weighting 154.3 lb, The consumer reported the following symptoms: was diagnosed with and. Metronidazole dosage: 2 Df, Bid; Tablet; 2 Keer Per Dag 2 Stuk (s). Concurrently used drugs:
  • Lanoxin (250 Micrograms, Daily; Tablet; 1 Dd 1)
  • Amoxicilline /00249602/
  • Acenocoumarol (1 Df, Daily; Tablet; 1 Keer Per Dag 3 Stuk (s), Extra Info: 3 A 4 Per Dag (trombosedienst))
  • Levofloxacine
Bradycardia, Hypertension, Headache

This report suggests a potential Metronidazole Headache side effect(s) that can have serious consequences. A 35-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): NA and used Metronidazole (dosage: Q8 Hours) starting Oct 24, 2013. Soon after starting Metronidazole the patient began experiencing various side effects, including:
  • Bradycardia
  • Hypertension
  • Headache
Drugs used concurrently:NA. Although Metronidazole demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Headache, Fatigue, Somnolence, Clumsiness, Feeling Abnormal, Blood Urine Present

An adverse event was reported by a consumer or non-health professional on Oct 28, 2013 by a Female taking Metronidazole (dosage: NA) was diagnosed with and. Location: GB , 37 years of age, weighting 127.9 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Metronidazole side effects: headache, fatigue, somnolence, clumsiness, feeling abnormal, blood urine present. Additional medications/treatments:
Fatigue, Malaise, Somnolence, Headache, Depression, Confusional State, Dysgeusia

This Headache problem was reported by a health professional from US. A 28-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): helicobacter infection.On Sep 26, 2013 a consumer started treatment with Metronidazole (dosage: NA). The following drugs/medications were being taken at the same time:
  • Clarityn
  • Omeprazole (omeprazole) (omeprazole)
  • Amoxcillin (amoxicillin) (amoxicillin)
When commencing Metronidazole, the patient experienced the following unwanted symptoms /side effects:
  • Fatigue
  • Malaise
  • Somnolence
  • Headache
  • Depression
  • Confusional State
  • Dysgeusia
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Headache, may become evident only after a product is in use by the general population.
Depression, Headache, Fatigue, Malaise, Confusional State, Dysgeusia, Somnolence

This is a Metronidazole side effect report of a 29-year-old female patient (weight: NA) from GB. The patient developed the following symptoms/conditions: helicobacter infection and was treated with Metronidazole (dosage: 400 Mg, Bid; One Tablet Twice A Day) starting Sep 26, 2013. Concurrently used drugs:
  • Clarityn /00917501/ (Unk)
  • Omeprazole (Unk)
  • Amoxicillin (Unk)
Soon after that, the consumer experienced the following of symptoms:
  • Depression
  • Headache
  • Fatigue
  • Malaise
  • Confusional State
  • Dysgeusia
  • Somnolence
This opens a possibility that Metronidazole could cause Headache and that some female patients may be more susceptible.
Fatigue, Malaise, Somnolence, Headache, Confusional State, Dysgeusia, Depression

This Headache side effect was reported by a health professional from GB on Oct 24, 2013. A female patient from GB , 29 years of age, was diagnosed with and was treated with Metronidazole. Directly after treatment started, patient experienced the unwanted or unexpected Metronidazole side effects: fatigue, malaise, somnolence, headache, confusional state, dysgeusia, depression. Metronidazole dosage: 400 Mg, Bid.
Associated medications used:
  • Clarityn
  • Omeprazole
  • Amoxicillin
These side effects may potentially be related to Metronidazole.
Hangover, Poor Quality Sleep, Thirst, Tongue Disorder, Chromaturia, Rash, Headache

This Headache side effect was reported by a consumer or non-health professional from GB. A 37-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Metronidazole (dosage: 400 Mg, Bid), which was started on Oct 26, 2012. Concurrently used drugs:
  • Yasmin
  • Levothyroxine
  • Trimethoprim
When starting to take Metronidazole the consumer reported the following symptoms:
  • Hangover
  • Poor Quality Sleep
  • Thirst
  • Tongue Disorder
  • Chromaturia
  • Rash
  • Headache
These side effects may potentially be related to Metronidazole.
Headache, Sinus Congestion, Dizziness, Oropharyngeal Pain, Decreased Appetite, Urticaria, Fatigue, Pruritus, Rash

This Headache Metronidazole side effect was reported by a consumer or non-health professional from US on Sep 23, 2013. A Female , 31 years of age, weighting 135.0 lb, was diagnosed with and was treated with Metronidazole. The patient presented the following health conditions:
  • Headache
  • Sinus Congestion
  • Dizziness
  • Oropharyngeal Pain
  • Decreased Appetite
  • Urticaria
  • Fatigue
  • Pruritus
  • Rash
. Metronidazole dosage: 1 Pill Twice Daily Taken By Mouth. Additional drugs used at the same time: NA.
Dry Mouth, Abdominal Pain Upper, Diarrhoea, Headache, Dizziness, Chills, Migraine, Pyrexia

This is a Metronidazole side effect report of a female patient (weight:NA) from US, suffering from the following symptoms/conditions: vaginal infection, who was treated with Metronidazole (dosage:NA, start time: NS), combined with: NA., and developed a serious reaction and a Headache side effect. The patient presented with:
  • Dry Mouth
  • Abdominal Pain Upper
  • Diarrhoea
  • Headache
  • Dizziness
  • Chills
  • Migraine
  • Pyrexia
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 vaginal infection, resulting in Headache.
Ataxia, Dizziness, Vertigo, Headache, Romberg Test Positive

A 3-year-old patient (weight: NA) from TR with the following symptoms: amoebic dysentery started Metronidazole treatment (dosage: NA) on NS. Soon after starting Metronidazole treatment, the consumer experienced several side effects, including:
  • Ataxia
  • Dizziness
  • Vertigo
  • Headache
  • Romberg Test Positive
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Metronidazole side effects, such as Headache.
Ataxia, Vertigo, Headache, Dizziness

A patient from COUNTRY NOT SPECIFIED was prescribed and started Metronidazole on Aug 13, 2013. After Metronidazole was administered, patient encountered several Metronidazole side effects: ataxia, vertigo, headache, dizziness Additional patient health information: male , child 3 years of age, The consumer reported the following symptoms: was diagnosed with and. Metronidazole dosage: NA. Concurrently used drugs: NA. The patient was hospitalized.
Vertigo, Ataxia, Headache, Dizziness

This report suggests a potential Metronidazole Headache side effect(s) that can have serious consequences. A 3-year-old patient from TR (weight:NA) was diagnosed with the following health condition(s): diarrhoea and used Metronidazole (dosage: NA) starting NS. Soon after starting Metronidazole the patient began experiencing various side effects, including:
  • Vertigo
  • Ataxia
  • Headache
  • Dizziness
Drugs used concurrently:NA. Although Metronidazole demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Vertigo, Ataxia, Headache

An adverse event was reported by a health professional on Aug 02, 2013 by a male taking Metronidazole (dosage: NA) was diagnosed with and. Location: TR , child 3 years of age, patient began experiencing various side effects, including: Patient felt the following Metronidazole side effects: vertigo, ataxia, headache. Additional medications/treatments:
Paraesthesia, Hypoaesthesia, Headache, Chromaturia, Pyrexia, Dizziness, Vision Blurred

This Headache problem was reported by a consumer or non-health professional from US. A 42-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): bacterial infection.On Jul 19, 2013 a consumer started treatment with Metronidazole (dosage: 1 Applicatorful Once A Day, 5 Days Vag). The following drugs/medications were being taken at the same time: NA. When commencing Metronidazole, the patient experienced the following unwanted symptoms /side effects:
  • Paraesthesia
  • Hypoaesthesia
  • Headache
  • Chromaturia
  • Pyrexia
  • Dizziness
  • Vision Blurred
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Headache, may become evident only after a product is in use by the general population.
Palpitations, Dyspnoea, Musculoskeletal Stiffness, Headache

This is a Metronidazole side effect report of a 46-year-old female patient (weight: NA) from GB. The patient developed the following symptoms/conditions: tooth abscess and was treated with Metronidazole (dosage: 200 Mg, 3 In 1 D) starting Jun 10, 2013. Concurrently used drugs:
  • Fluoxetine (fluoxetine) (fluoxetine)
  • Ibuprofen (ibuprofen) (ibuprofen)
  • Paracetamol (paracetamol) (paracetamol)
Soon after that, the consumer experienced the following of symptoms:
  • Palpitations
  • Dyspnoea
  • Musculoskeletal Stiffness
  • Headache
This opens a possibility that Metronidazole could cause Headache and that some female patients may be more susceptible.
Palpitations, Dyspnoea, Musculoskeletal Stiffness, Headache

This Headache side effect was reported by a consumer or non-health professional from GB on Jul 10, 2013. A female patient from GB , 46 years of age, weighting 207.0 lb, was diagnosed with and was treated with Metronidazole. Patient felt the following Metronidazole side effects: palpitations, dyspnoea, musculoskeletal stiffness, headache. Metronidazole dosage: NA. 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 Headache Causes and Reviews


Almost everyone has had a Headache. Headache is the most common form of pain. It's a major reason people miss days at work or school or visit the doctor.

The most common type of Headache is a tension Headache. Tension Headaches are due to tight muscles in your shoulders, neck, scalp and jaw. They are often related to stress, depression or anxiety. You are more likely to get tension Headaches if you work too much, don't get enough sleep, miss meals, or use alcohol.

Other common types of Headaches include migraines, cluster Headaches, and sinus Headaches. Most people can feel much better by making lifestyle changes, learning ways to relax and taking pain relievers.

Not all Headaches require a doctor's attention. But sometimes Headaches warn of a more serious disorder. Let your health care provider know if you have sudden, severe Headaches. Get medical help right away if you have a Headache after a blow to your head, or if you have a Headache along with a stiff neck, fever, confusion, loss of consciousness, or pain in the eye or ear.

NIH: National Institute of Neurological Disorders and Stroke


Metronidazole Headache Reviews

Tue, 02 Aug 2011
I was given Metronidazole for an infection after a hysterectomy. I feel hot then cold but don't appear to have a temperature, I have Headaches, and a horrible metallic taste in my mouth. I am concerned that the infection is still there and will have completed my second course of the medication in two days.
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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