Also indexed as: MetroGel® Vaginal, Nidagel® Vaginal
Gel, Zidoval® Vaginal Gel
Metronidazole (vaginal) is an intravaginal antibiotic used to treat vaginal infections
caused primarily by bacteria. Metronidazole is also
available as oral and topical medications.
Summary of
Interactions with Vitamins, Herbs, and Foods
In some cases, an herb or supplement may appear in more than one category, which may seem
contradictory. For clarification, read the full article for details about the summarized
interactions.
 May be Beneficial: Supportive
interaction—Taking these supplements may support or otherwise help your medication
work better. |
Zinc
|
| Depletion or interference |
None known
|
| Side effect reduction/prevention |
None known
|
| Reduced drug
absorption/bioavailability |
None known
|
| Adverse interaction |
None known
|
An asterisk (*) next to an item in the summary indicates that the
interaction is supported only by weak, fragmentary, and/or contradictory scientific
evidence.
Interactions with Dietary Supplements
Zinc
Four women whose vaginal infections caused by trichomonas (one-celled parasites) were not responding to oral and vaginal
metronidazole treatment alone, improved when a zinc sulphate douche was added.1
Controlled research is needed to determine if zinc enhances the effects of metronidazole in
vaginal infections caused by other organisms.
References
1. Houang ET, Ahmet Z, Lawrence AG. Successful treatment of four patients
with recalcitrant vaginal trichomoniasis with a combination of zinc sulfate douche and
metronidazole therapy. Sex Transm Dis 1997;24:116–9.
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Medicines with Vitamins and Herbs
The information presented in Healthnotes is for informational
purposes only. It is based on scientific studies (human, animal, or in vitro),
clinical experience, or traditional usage as cited in each article. The results reported may
not necessarily occur in all individuals. For many of the conditions discussed, treatment with
prescription or over-the-counter medication is also available. Consult your doctor,
practitioner, and/or pharmacist for any health problem and before using any supplements or
before making any changes in prescribed medications. Information expires December 2005.