Metronidazole tablets have no obvious effect on foot odor, which may be caused by excessive foot sweating, poor breathability of shoes and socks or not paying attention to foot cleanliness and hygiene, and skin diseases of the feet such as tinea pedis; Metronidazole tablets are mainly used for the treatment of intestinal and extra-intestinal amebiasis, such as amebic liver abscess, etc. They can also be used for the treatment of trichomoniasis of the vagina, pouch-bugs disease, and cutaneous leishmaniasis. 1. For foot odor caused by personal habits, it is recommended to wash feet diligently, change socks frequently, wear shoes with better breathability, and do a good job of cleaning and disinfecting shoes, and use alcohol to deodorize if necessary. 2. due to foot skin disease caused by foot odor, you can apply antifungal drugs in the affected area, such as miconazole nitrate cream, tretinoin econazole cream, or oral antihistamine drugs such as loratadine, ibogaine, and so on. The above content is for reference only, if you need to deodorize feet or use metronidazole tablets, can be standardized under the guidance of a professional doctor to avoid blind self-medication.