Can I take metronidazole tablets for a toothache?

Mar 31, 2025 Source: Cainiu Health
Disease description:

I am a 35-year-old male experiencing persistent swelling and pain in the lower right tooth for three days, accompanied by swollen gums. I have heard that metronidazole tablets can reduce inflammation, but I am unsure whether it is appropriate to take them on my own.

Doctor's answer (1)
Dr. Liu Chao

Metronidazole tablets can be used in the treatment of toothache, but the underlying cause should be identified and the medication used only as directed by a physician. Metronidazole is an antibacterial agent primarily used to treat infections caused by anaerobic bacteria or certain parasites. If the toothache is caused by conditions such as periodontitis or periapical inflammation resulting from anaerobic bacterial infection, metronidazole may be effective. However, toothaches can have various causes, including dental caries, pulpitis, and pericoronitis of wisdom teeth, and not all types of toothache are suitable for treatment with metronidazole. Additionally, metronidazole may cause certain side effects such as gastrointestinal discomfort and dizziness, and inappropriate use of the drug may pose health risks.

When experiencing toothache, one should first visit a dental clinic to determine the cause through examination. If antibiotic treatment is necessary, the physician will prescribe metronidazole tablets, possibly in combination with other medications. The medication should be taken strictly according to the prescribed dosage, alcohol consumption should be avoided during treatment, and any severe adverse reactions should be closely monitored. For severe pain, ibuprofen tablets may be used to relieve symptoms, but they should not replace proper medical treatment. Oral hygiene should be maintained throughout the treatment period, and consumption of hard or excessively hot foods should be avoided. Regular follow-up visits are necessary to evaluate treatment effectiveness and ensure complete control of the infection.