Metrogel (Metronidazole)

(℞) Prescription Required

    Metrogel (Metronidazole) Dosage and Side Effects

    METROGEL is used to treat rosacea.

    Warnings and Precautions

    BEFORE you use METROGEL talk to your doctor or pharmacist if:

    • You have any allergies to this drug or its ingredients.
    • You have a history of blood disease or your blood is not normal in some way.
    • You are pregnant or nursing.
    • You plan to be in the sun. Avoid excessive exposure to sunlight, including sunlamps and tanning beds.
    • Irritation occurs during treatment, discuss with your doctor. Your doctor may advise that you discontinue the medication, discontinue the medication temporarily, or take the medication less frequently.

    Side Effects

    Like all prescription medicines, METROGEL can have side effects. Some common side effects related to metronidazole were skin redness, burning/stinging, hypersensitivity, skin irritation, dry skin, itching, rosacea worsening. Uncommon side effects were watery eyes, eye irritation, rash, skin peeling, skin tightness, facial swelling, hives, contact dermatitis, skin inflammation, skin pain.

    This is not a complete list of side effects. For any unexpected effects while taking METROGEL, contact your doctor or pharmacist.

    Interactions with this medication

    Drugs that may interact with METROGEL include: coumarin, warfarin, other imidazole preparations such as clotrimazole and tioconazole, and possibly alcohol.

    Proper Use of this medication

    Usual adult dose:

    Cleanse and dry affected area before applying medication.

    METROGEL 1%: Apply and rub in a thin film once daily to the affected area.

    METROGEL 0.75% Apply and rub in a thin film twice daily, morning and evening to affected areas.

    After applying metronidazole gel, cream or lotion, and the medication has dried, cosmetics can be applied.

    Results should be expected in about three weeks with continuing improvement through nine weeks of treatment.

    This medicine is for external use only. Do not use this medicine in or near the eyes. If this medicine does get into your eyes, wash them out immediately, but carefully, with large amounts of cool tap water. If your eyes still burn or are painful, check with your doctor.


    For management of a suspected drug overdose, contact your regional Poison Control Centre.

    Topically applied metronidazole can be absorbed in sufficient amount to produce systemic effects. Massive ingestion may produce vomiting and slight disorientation. If you or anyone else suspects an overdose, promptly call your doctor or pharmacist.

    Missed dose:

    If you miss a dose of this medicine, apply it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.

    Other related products

    The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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