Mouth Sores
Different types of sores can appear anywhere in the mouth, including the inner cheeks, gums, tongue, lips, or palate.
Alternative Names
Aphthous stomatitis
Considerations
Common Causes
Most mouth sores are cold sores (also called fever blisters), canker sores, or other irritation caused by:
- A sharp or broken tooth or poorly fitting dentures
- Biting your cheek, tongue, or lip
- Burning your mouth from hot food or drinks
- Braces
- Chewing tobacco
Col...
Read moreMore information on "Mouth Sores"
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From Our Sources
Mouth and Throat Sores (Mucositis)
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Eating When You Have a Sore Mouth or Throat
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