Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Metronidazole
Drug ID BADD_D01449
Description Metronidazole is a commonly used antibiotic, belonging to the nitroimidazole class of antibiotics.[L3754] It is frequently used to treat gastrointestinal infections as well as trichomoniasis and giardiasis, and amebiasis which are parasitic infections.[A181036,A18039] Metronidazole has been used as an antibiotic for several decades[L7429], with added antiparasitic properties that set it apart from many other antibacterial drugs, allowing it to treat a wide variety of infections. It is available in capsule form, tablet form, and topical form, and suppository preparations for the treatment of various infections.
Indications and Usage Metronidazole is indicated for the treatment of confirmed trichomoniasis caused by Trichomonas vaginalis (except for in the first trimester of pregnancy) and the patient's sexual partners, bacterial vaginosis[L7432], certain types of amebiasis, and various anaerobic infections.[A181057] The above anaerobic infections may occur on the skin and skin structures, the abdomen, the heart, reproductive organs, central nervous system, and the respiratory system. Some may also be present in the bloodstream in cases of septicemia. Common infections treated by metronidazole are Bacteroides species infections, Clostridium infections, and Fusobacterium infections, as well as Peptococcus and Peptostreptococcus infections.[L3754] It is also used off-label in the treatment of Crohn's disease and rosacea, as a prophylactic agent after surgery[A181039], and in the treatment of Helicobacter pylori infection.[A181045] It has also been studied in the prevention of preterm births and to treat periodontal disease.[A1391,A181078]
Marketing Status approved
ATC Code A01AB17; D06BX01; G01AF01; J01XD01; P01AB01
DrugBank ID DB00916
KEGG ID D00409
MeSH ID D008795
PubChem ID 4173
TTD Drug ID D0A2ZX
NDC Product Code 80830-2465; 0904-7156; 23155-652; 50090-0211; 50090-4809; 50111-333; 51407-372; 62332-018; 66993-962; 67296-1366; 68071-2549; 0409-0152; 68180-684; 68682-455; 69292-208; 70518-0013; 70518-0539; 70518-2663; 70518-3042; 70771-1834; 71335-1775; 46708-428; 46708-429; 0187-5202; 50090-0212; 50090-0214; 50090-5691; 51407-376; 60687-550; 63629-1388; 63629-8731; 68788-7815; 70518-3265; 72578-008; 72578-129; 0713-0633; 0904-7126; 38779-0146; 62991-1685; 25021-131; 29300-227; 45802-139; 46708-435; 50090-5687; 51672-4164; 0264-5535; 55154-8190; 55700-909; 0299-3836; 0338-9541; 63187-035; 63629-7940; 64380-780; 64980-235; 66993-936; 68071-2806; 70518-1240; 70518-3110; 71335-1681; 54348-740; 60687-526; 62332-016; 63187-827; 66993-960; 68071-2809; 68071-5283; 68462-184; 70518-2305; 70518-2814; 70934-813; 71209-063; 71335-1609; 71335-1703; 71335-1838; 72578-007; 16714-557; 45865-717; 50090-5787; 51655-441; 55700-298; 61919-032; 62332-017; 67457-697; 68001-364; 68180-683; 72789-007; 72789-195; 15955-388; 16571-664; 0115-1474; 43063-738; 0168-0383; 50090-5688; 50268-534; 0245-0860; 53002-2478; 58118-0527; 0299-3820; 0338-1055; 64980-236; 65862-694; 67296-1283; 0404-9991; 68071-2251; 0409-7811; 68788-8230; 70518-0090; 70882-131; 0781-7077; 0781-7080; 51927-1449; 53747-007; 60592-427; 68981-034; 23155-651; 53002-2470; 0299-3838; 60760-539; 61919-499; 63629-1386; 63629-7916; 64380-779; 68788-7955; 70518-1536; 70518-3073; 71335-0358; 71335-1922; 0713-0575; 0713-0637; 49452-4726; 49964-0002; 51552-0038; 43063-719; 50090-5768; 50111-334; 50268-535; 51672-4116; 52584-811; 53002-7341; 63629-8680; 68083-373; 69043-005; 70518-0797; 70882-130; 71335-0858; 72789-011; 0642-7466; 73473-303; 0713-0574; 82982-039; 0395-8115; 15955-389; 21922-039; 47335-993; 50090-0213; 50090-5249; 51655-974; 54348-745; 60760-336; 67296-1747; 69043-004; 70518-0324; 70934-970; 71209-062; 72789-005; 16571-665; 29300-226; 46708-021; 53002-7340; 60760-664; 61919-363; 62332-630; 63187-511; 65862-695; 66993-961; 68001-365; 68071-2280; 68071-2288; 68071-2551; 68071-3039; 69292-207; 70518-0058; 70518-0088; 70518-1241; 70934-956; 0168-0275; 0168-0323; 50090-0201; 50090-2126; 51672-4215; 53002-2471; 0025-1942
UNII 140QMO216E
Synonyms Metronidazole | 2-Methyl-5-nitroimidazole-1-ethanol | 2 Methyl 5 nitroimidazole 1 ethanol | Satric | Trichazol | Trichopol | Trivazol | Metronidazole Phosphoester | Vagilen | Bayer 5360 | Metronidazole Phosphate | Danizol | Flagyl | Gineflavir | Metric | Metrodzhil | MetroGel | Metrogyl | Metronidazole Hydrochloride | Metronidazole Monohydrochloride | Clont
Chemical Information
Molecular Formula C6H9N3O3
CAS Registry Number 443-48-1
SMILES CC1=NC=C(N1CCO)[N+](=O)[O-]
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Apraxia19.21.01.002; 17.02.03.0020.000026%Not Available
Areflexia17.02.01.0010.000053%Not Available
Arthralgia15.01.02.001--
Arthritis15.01.01.001--
Asthenia08.01.01.001--Not Available
Asthma22.03.01.002; 10.01.03.010--Not Available
Ataxia17.02.02.001; 08.01.02.0040.001431%
Autoimmune hepatitis09.01.07.019; 10.04.09.0010.000092%Not Available
Axonal neuropathy17.09.03.0150.000197%Not Available
Back pain15.03.04.005--
Basal cell carcinoma23.08.02.001; 16.03.02.001--Not Available
Bile duct stone09.02.02.0030.000026%Not Available
Bladder pain20.02.02.001--Not Available
Blepharospasm17.17.02.001; 06.05.01.0010.000026%Not Available
Blindness06.02.10.003; 17.17.01.0030.000131%Not Available
Blood pressure fluctuation24.06.01.002--Not Available
Body temperature increased13.15.01.001--Not Available
Breast enlargement21.05.04.001--Not Available
Breast pain21.05.05.003--
Bronchitis22.07.01.001; 11.01.09.001--
Burning sensation17.02.06.001; 08.01.09.0290.000604%Not Available
Carpal tunnel syndrome17.09.02.0010.000026%Not Available
Catatonia19.11.01.0010.000105%Not Available
Cerebellar ataxia17.02.02.013; 08.01.02.0060.000564%Not Available
Cerebellar syndrome17.02.02.0020.000735%Not Available
Cerebral atrophy17.11.01.0010.000026%Not Available
Cerebral ischaemia24.04.06.003; 17.08.01.0050.000026%
Chest pain22.12.02.003; 08.01.08.002; 02.02.02.011--Not Available
Chills15.05.03.016; 08.01.09.0010.000273%
Chloasma23.05.01.001; 18.08.02.0020.000026%Not Available
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ADReCS-Target
Drug Name ADR Term Target
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