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Metronidazole

More information: STITCH, PubChem and possibly Wikipedia

ATC Codes: A01AB17, D06BX01, G01AF01, J01XD01, P01AB01

Side effects

Options: Hide MedDRA Preferred Terms ,   display all 54 labels

MedDRA Preferred Term Side effect Data for drug Placebo Labels
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Infestation Infestation NOS 13.6% - 14.8% x x x
Pain Stinging 10.3% - 15.2% x x x x x
Pain
Abdominal pain Abdominal cramps 12% x x x x x x x x
Abdominal pain very rare — 3.75% - 5% x x
Constipation Constipation 12% x x x x x x x x x x x
Vaginal discharge Vaginal discharge 2% - 12% x
Leukorrhea very rare, postmarketing x
Fungal infection Fungal infection 9.1% - 12%
Yeast infection 1.6% - 22% x
Vulvovaginal pruritus Vaginal itching 10% x
Vaginal inflammation Vaginal inflammation very rare — 10% - 15% x x
Vaginal infection Vaginal inflammation very rare — 10% - 15% x x
Infection Infection 1% - 14.8% x
Bacterial infection Bacterial infection 5.96% - 7.12% x
Abdominal discomfort Gastrointestinal discomfort 4.7% - 7% x
Abdominal discomfort x x
Abdominal distress x x x x x x x
Gastrointestinal tract irritation x
Skin disorder Unspecified disorder of skin and subcutaneous tissue 6.35% - 6.46% x x x
Influenza like illness Influenza-like symptoms 6% - 7.02% x
Pruritus Pruritus 1% - 19% 2.2% x x x x x x x x x x x x
Headache Headache very rare — 0.529% - 18% x x x x x x x x x x x x x x x x
Pruritus genital Pruritus genital very rare — 5% - 9% x x
Gastrointestinal pain Abdominal pain very rare — 3.75% - 5% x x
Rhinitis Rhinitis 3.51% - 4.49% x
Vomiting Vomiting 2.2% - 4% x x x x x x x x x x x x x x
Nasopharyngitis Nasopharyngitis 3.05% - 4.23% x x
Mediastinal disorder Mediastinal disorder 2.65% - 3.95% x x
Nausea Nausea very rare — 2.2% - 18% x x x x x x x x x x x x x x x x x x x x
Connective tissue disorder Connective tissue disorder 2.65% - 3.41% x x
Upper respiratory tract infection Upper respiratory tract infection 2.12% - 4.12% x x x
Candida infection Candida infection 2.81% - 3.37% x
Dysmenorrhoea Dysmenorrhoea 2% - 3.37% x
Pelvic discomfort Pelvic discomfort 1.9% - 3% x
Urine abnormality Urine abnormality 1% - 3% x
Urine analysis abnormal Urine abnormality 1% - 3% x
Diarrhoea Diarrhoea very rare — 1% - 10% x x x x x x x x x x
Loose stools 1%
Vulvovaginal burning sensation Burning feeling vagina 2.5% 2.2% x
Pharyngitis Pharyngitis 1% - 3% x
Nervous system disorder Nervous system disorder 1.59% - 3.23% x x x
Central nervous system disorder
Cerebellar syndrome x
Dizziness Dizziness very rare — 1% - 10% x x x x x x x x x x x x x
Syncope x x x x
Asthenia Fatigue 2% x
Asthenia x x x x x x x x x x x
Fatigue Fatigue 2% x
Dry mouth Dry mouth 0.702% - 2% x x x x
Sinusitis Sinusitis 1.44% - 3% x x x
Dysgeusia Taste metallic 0% - 9% x x x x x x x x x x x x x x x x
Dysgeusia very rare — 0% - 9% x x
Taste altered x
White blood cell count decreased White blood cell count low 1.7%
Dry skin Dry skin 1.08% - 2% x x x x
Erythema Erythema 1% - 2%
Redness x x x x x
Urinary tract infection Urinary tract infection 0.529% - 6% x x x
Bronchitis Bronchitis 1.08% - 1.59% x x
Nasal congestion Nasal congestion 1.08% - 1.59% x x x x x x x x x x x x x
Rosacea Rosacea 1% - 1.4%
Skin irritation Skin irritation 1% - 1.4% x x x x x x
Hypersensitivity Hypersensitivity very rare — 2% x x x x x x x x x x x x x x x
Breast pain Breast pain 1%
Metrorrhagia Metrorrhagia 1%
Muscle spasms Cramp muscle 1% - 3.3% x x
Decreased appetite Decreased appetite 1% - 6% x
Anorexia x x x x x x x x x x
Influenza Influenza 0.529% - 1.44% x x
Angiopathy Angiopathy 0.529% - 1.44% x x
Eye disorder Eye disorder 0.9% - 1% x
Burning sensation Burning sensation 0.9% - 1% x
Lacrimation increased Lacrimation increased 0.9% - 1% x
Dermatitis contact Dermatitis contact 0.529% - 1.26% x x x x
Neoplasm Neoplasm 0.718% - 1.06% x x
Hypertension Hypertension 0.529% - 1.08% x x
Back pain Back pain 0.539% - 1.06% x x
Basal cell carcinoma Basal cell carcinoma 0.18% - 1.06% x x
Vulvovaginal mycotic infection Vaginal mycosis 0.18% - 1.06% x x
Vaginal moniliasis x
Dermatitis Rash very rare — 1% x x x x
Rash Rash very rare — 1% x x x x
Eruption x
Neuropathy peripheral Neuropathy peripheral very rare, postmarketing x x x x x x x x x x x x x x
Neuritis
Neuropathy
Paraesthesia Paraesthesia very rare, postmarketing x x x
Paresthesia of limbs x x x x x x x x x x
Tingling sensation x x x x x x
Urticaria Urticaria very rare, postmarketing x x x x x x x x x x x x x
Vulval disorder Vulval disorder very rare, postmarketing x
Application site reaction Application site reaction very rare, postmarketing x x
Agranulocytosis Agranulocytosis x x
Anaphylactic shock Anaphylactic shock x
Aplastic anaemia Aplastic anaemia x
Angioedema Angioedema x x
Arthralgia Arthralgia x x x x x x x x x x x
Musculoskeletal discomfort Arthralgia x x x x x x x x x x x
Asthma Asthma
Ataxia Ataxia x x x x x x x x x x x x
Mental disorder Mental disorder x
Breast disorder Breast disorder x
Neoplasm malignant Neoplasm malignant x x x x x x x x x x x
Vulvovaginal candidiasis Vaginal moniliasis x
Vulvovaginal candidiasis x
Cerebellar syndrome Cerebellar syndrome x
Chest pain Chest pain x
Tongue coated Tongue coated x
Confusional state Confusional state x x x x x x x x x x x x
Feeling abnormal Confusional state x x x x x x x x x x x x
Conjunctivitis Conjunctivitis
Cystitis Cystitis x x x x x x x x x x x
Bladder pain Cystitis x x x x x x x x x x x
Cystitis noninfective Cystitis x x x x x x x x x x x
Libido decreased Libido decreased
Disturbance in sexual arousal Libido decreased
Depression Depression
Diplopia Diplopia x x
Somnolence Drowsiness x
Dysarthria Dysarthria x x x x x x x
Osteoarthritis Dysarthria x x x x x x x
Dyspepsia Dyspepsia x x
Epigastric distress x x x x x x x x
Dysuria Dysuria x x x x x x x x x x x x
Oedema Oedema
Eosinophilia Eosinophilia x
Toxic epidermal necrolysis Toxic epidermal necrolysis x x x x x x
Eructation Eructation x
Body temperature increased Body temperature increased x x x x x x x x x x x x
Flatulence Flatulence
Abdominal bloating
Flushing Flushing x x x x x x x x x x x x
Gastrointestinal disorder Gastrointestinal disorder x
Unspecified disorder of intestine
Gingivitis Gingivitis
Glossitis Glossitis x x x x x x x x x
Gynaecomastia Gynaecomastia x
Hallucination Hallucination x
Cardiac disorder Cardiac disorder x
Blood disorder Blood disorder
Hepatitis Hepatitis
Hiccups Hiccups
Immune system disorder Immune system disorder x
Incontinence Incontinence x x x x x x x x x x x
Irritability Irritability x x x x x x x x x x x
Jaundice Jaundice x
Leukopenia Leukopenia x x x x x x x x
Meningitis aseptic Meningitis aseptic x x x x x x x
Menorrhagia Menorrhagia
Myopia Myopia x x
Neuritis Neuritis
Neutropenia Neutropenia x x x x x x x x x
Hypoaesthesia Numbness x x x x x x x x x x x
Numbness of limbs x x x x x x
Sensory loss Numbness x x x x x x x x x x x
Nystagmus Nystagmus x
Optic nerve disorder Optic nerve disorder x x x
Palpitations Palpitations x
Pancreatitis Pancreatitis x x x x x x x x x x x x
Polyuria Polyuria x x x x x x x x x x x
Urine output increased Polyuria x x x x x x x x x x x
Pregnancy Pregnancy
Proctitis Proctitis x x x x x x x x x x x
Psychotic disorder Psychotic disorder
Pyuria Pyuria x
Salpingitis Salpingitis
Convulsion Convulsion
Convulsive seizure x x x x x x x x x x x x
Serum sickness Serum sickness x x x x x x x x x
Shock Shock x
Syncope x x x x
Erythema multiforme Stevens-Johnson syndrome x x x x x x x
Stevens-Johnson syndrome Stevens-Johnson syndrome x x x x x x x
Stomatitis Stomatitis x x x x x x x x x
Hyperhidrosis Sweating
Syncope Syncope x x x x
Loss of consciousness Syncope x x x x
Thrombocytopenia Thrombocytopenia x x x x x x x x x
Thrombophlebitis Thrombophlebitis x x x
Tinnitus Tinnitus x
Tremor Tremor x
Pollakiuria Pollakiuria
Vertigo Vertigo x x x x x x x x x x x
Visual impairment Disorder sight x x
Encephalopathy Encephalopathy x x x x x x x
Hepatic failure Hepatic failure
Rash pustular Rash pustular
Dermatitis bullous Dermatitis bullous
Hepatitis cholestatic Hepatitis cholestatic x x
Peripheral sensory neuropathy Peripheral sensory neuropathy x
Tongue discolouration Tongue discolouration
Localised oedema Oedema labial genital
Oedema genital Oedema labial genital
Galactorrhoea Lactation female
Liver function test abnormal Liver function test abnormal x
Pancytopenia Bone marrow depression
Mucous membrane disorder Mucous membrane disorder
Vulvovaginal disorder Vulvovaginal disorder
Liver injury Liver injury
Traumatic liver injury Liver injury
Malaise Sickness x
Emotional distress Distress
Abdominal pain upper Epigastric pain x
Disorientation Disorientation x x
Visual acuity reduced Visual acuity reduced
Rash erythematous Rash erythematous x x x x x x x x x x x
Seborrhoeic dermatitis Oily skin x
Neurological symptom Neurological symptom x x x x x x x x x x
Eye irritation Eye irritation x
Condition aggravated Condition aggravated x
Skin exfoliation Skin exfoliation
Skin burning sensation Skin burning sensation
Skin tightness Skin tightness
Vulvovaginal dryness Vaginal dryness x
Hepatobiliary disease Hepatobiliary disease x
Mucosal inflammation Mucosal inflammation x x
Vision blurred Vision blurred
Depressed mood Depressed mood
Photosensitivity reaction Photosensitivity x
Pruritus generalised Pruritus generalised
Coordination abnormal Coordination abnormal x x x x x x x x x x x
Candida cervicitis Candida cervicitis
Local reaction Local reaction x
Skin discomfort Skin discomfort x x
Insomnia Insomnia x x x x x x x x x x x x
Pseudomembranous colitis Pseudomembranous colitis x x
Abdominal distension Abdominal bloating
Dyspareunia Dyspareunia x x x x x x x x x x x
Rash papular Rash papular x
Breast enlargement Breast enlargement
Colour blindness acquired Color vision change
Gastrointestinal tract irritation Gastrointestinal tract irritation x
Loss of libido Loss of libido x x x x x x x x x x x

Indications

Information about indications was extracted from the indications and usage sections of the labels.

METRONIDAZOLE

Side effects:6
Source:FDA Structured Product Label

Metronidazole

Side effects:9
Source:FDA Structured Product Label

metronidazole

Side effects:12
Source:FDA Structured Product Label

METRONIDAZOLE / METROLOTION

Side effects:12
Source:FDA

METRONIDAZOLE / NORITATE

Side effects:19
Source:Health Canada

Metronidazole

Side effects:30
Source:FDA Structured Product Label

METRONIDAZOLE / METROGEL

Side effects:30
Source:FDA

metronidazole 0.75% / ZIDOVALTM Vaginal Gel

Side effects:30
Source:medicines.org.au

METRONIDAZOLE

Side effects:34
Source:FDA Structured Product Label

METRONIDAZOLE

Side effects:39
Source:FDA Structured Product Label

metronidazole / Flagyl

Side effects:42
Source:FDA

METRONIDAZOLE

Side effects:45
Source:FDA Structured Product Label

METRONIDAZOLE

Side effects:50
Source:FDA Structured Product Label

METRONIDAZOLE

Side effects:51
Source:FDA Structured Product Label

METRONIDAZOLE

Side effects:51
Source:FDA Structured Product Label

METRONIDAZOLE

Side effects:51
Source:FDA Structured Product Label

METRONIDAZOLE / FLAGYL ER

Side effects:62
Source:FDA

METRONIDAZOLE / FLAGYL CREAM 10%

Side effects:64
Source:Health Canada

Color scheme:

standard – alternative

    100%
    75%
    50%
    10%
    frequent (1% to 100%)
    infrequent (0.1% to 1%)
    rare (<0.1%)
    postmarketing
    0%
    no frequency information
    not found on label