Tinea pedis, or ringworm of the foot, is a fungal infectious skin disease. Metronidazole can not cure tinea pedis, this product is mainly used to treat anaerobic bacteria, trichomoniasis and other infections. Metronidazole is an anaerobic bacterial drug, anti-trichomonas drug, commonly used dosage form for gel, cream, tablets, capsules, injections and so on. Tinea pedis is a fungal infection, metronidazole has no inhibitory effect on fungi and cannot treat tinea pedis. Metronidazole is used to treat anaerobic infections, intestinal and extra-intestinal amebiasis, vaginal trichomoniasis, and guinea worm infections. Tinea pedis can be treated with topical antifungal drugs such as naftifine ketoconazole, miconazole, etc., and oral itraconazole, etc., if necessary. Adverse effects of metronidazole are commonly gastrointestinal reactions such as nausea, vomiting, abdominal discomfort, and allergic reactions such as urticaria in a few cases. Contraindications are contraindicated in children, pregnant women, lactating women, and those who are allergic to it. Note that this product will inhibit alcohol metabolism, it is forbidden to drink alcohol during the use of the drug. Metronidazole should be properly applied under the guidance of a physician according to the needs of the condition, do not self-medicate to avoid adverse consequences.