| Half-life | 20 hours |
| Clearance Route | hepatic |
| Active Metabolites | minimal |
| Notes | Very long half-life; single dose regimen common. Avoid alcohol; caution in hepatic dysfunction. |
Severity: Moderate
Adverse Effects:
Nausea, abdominal discomfort, headache, metallic taste; rarely CNS effects.
Contraindications:
Pregnancy (1st trimester), hypersensitivity to nitroimidazoles.
Precautions:
Avoid alcohol; monitor for neurologic symptoms in prolonged therapy.