Does Clove Oil Really Work for Severe Toothache Relief?

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There is insufficient evidence for the Food and Drug Administration to rate eugenol, the active ingredient in clove oil, as being effective in treating tooth pain, according to MedlinePlus. The FDA also finds insufficient evidence to rate eugenol and clove oil as effective treatments for dry socket.

Dentists have historically used clove oil and eugenol to alleviate tooth pain, discomfort during dental procedures and the pain of dry socket, a condition that can arise following a tooth extraction. People also use clove oil to treat numerous conditions, including pain and swelling of the mouth and throat, cough and digestive issues, but the FDA declares that insufficient evidence is available to endorse clove oil for these purposes.