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You Chose: Oral Care > Canker sore > Sensitive to heat or cold
Warnings & Information

See a doctor if the canker sore is unusually large, if it recurs frequently or if more appear, or if you have a high fever or increasing pain.

See a doctor if the canker sore is unusually large, if it recurs frequently or if more appear, or if you have a high fever or increasing pain.
  • Boiron Product Options
  • Image for Borax 6C
    Borax 6C**
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    purpose:
    Borax relieves canker sores, especially in young children, that occur inside the cheeks.
    dosage:
    Dissolve 5 pellets under the tongue 3 times a day. Decrease frequency with improvement.
  • Image for Nitricum acidum 6C
    Nitricum acidum 6C
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    purpose:
    Nitricum acidum relieves yellowish canker sores sensitive to heat or cold, with a tendency to bleed.
    dosage:
    Dissolve 5 pellets under the tongue 3 times a day. Decrease frequency with improvement.
DISCLAIMER: The information provided by Boiron’s Homeopathic Medicine Finder is not intended to replace information supplied by your health care professional. It is also not intended to replace packaging inserts or other printed materials that may be available or accompany a particular medicine.
*Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.
**C, K, CK, and X are homeopathic dilutions. Learn more.