Oral blisters can be caused by various factors, including:
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Canker Sores: These are small, painful blisters that appear inside the mouth. The exact cause is unknown, but stress, hormonal changes, and certain foods can trigger them.
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Cold Sores (Herpes Simplex Virus): These blisters are caused by the herpes simplex virus and usually appear on the lips, but they can sometimes occur inside the mout
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Allergic Reactions: Certain foods, medicines, or dental care products can cause an allergic reaction, leading to blisters in the mouth.
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Trauma or Injury: Biting the inside of the cheek, burning the mouth with hot food or drinks, or dental procedures can lead to blisters.
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Infections: Viral, bacterial, or fungal infections, such as hand, foot, and mouth disease, can also lead to oral blisters.
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Autoimmune Conditions: Conditions like pemphigus vulgaris or lichen planus can cause painful oral blisters.
