Merck Manual

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Metronidazole and Tinidazole

Metronidazole and Tinidazole

Common Uses

Some Side Effects

For metronidazole and tinidazole: Infections caused by certain protozoa such Trichomonas vaginalisEntamoeba histolytica, and Giardia lamblia, and for bacterial vaginosis

For metronidazole: Pelvic and abdominal bacterial infections

Nausea, vomiting*

Headache*

Flushing*

Metallic taste

Numbness and tingling in the hands and feet (peripheral neuropathy)

Dark urine

* These side effects occur especially if the drugs are taken with alcohol.