METRONIDAZOLE Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

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    If experienced, these tend to have a Less Severe expression i

    • decreased appetite
    • headache
    • nausea
    • diarrhea
    • stomach cramps

    INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

    • a painful condition that affects the nerves in the legs and arms called peripheral neuropathy

    If experienced, these tend to have a Less Severe expression i

    • dry mouth
    • vaginal dryness
    • taste impairment
    • problems metabolizing alcohol

    RARE side effects

    If experienced, these tend to have a Severe expression i

    • meningitis not due to an infection
    • decreased blood platelets
    • low levels of white blood cells
    • low levels of a type of white blood cell called neutrophils
    • a type of brain function problem called encephalopathy
    • optic neuropathy, a disease of the optic nerve
    • acute inflammation of the pancreas
    • inflammation of the bladder
    • a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
    • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
    • erythema or skin redness
    • hives
    • seizures
    • loss of muscle coordination
    • a skin rash

    If experienced, these tend to have a Less Severe expression i

    • confusion
    • altered interest in having sexual intercourse
    • depression
    • stuffy nose
    • stomatitis, a condition with painful swelling and sores inside the mouth
    • a painful, red or swollen tongue
    • constipation
    • itching
    • fainting
    • sensation of spinning or whirling
    • dizziness
    • difficulty sleeping
    • fever
    • temporary redness of face and neck
    • a type of speech disorder called dysarthria
    • vomiting
    • difficult or painful urination
    • involuntary leakage of urine
    • excess urination
    • abnormal color of urine
    • generalized weakness
    • irritability
    • a hairy tongue
    • pain with sexual intercourse

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    Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

    CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.