Oral blisters may be caused by traumatic blisters, herpetic pharyngitis, chronic herpetic disease and other reasons.
1. traumatic blood blisters: eating too hard and too hot food, causing damage to the oral mucosa to form blood blisters, the pain is not necessarily very obvious, can feel the oral mucosa has a foreign body sensation.
2. Herpetic pharyngitis: an acute upper respiratory tract infection caused by enterovirus infection, manifested as localized congestion and edema in the throat, forming herpes, which can involve other parts of the oral cavity.
3. Chronic herpetic disease: it occurs in children, usually around the mouth or vulva, forming blisters, blisters with itching.
There may be other causes of oral blisters, it is recommended to consult a doctor to identify the cause of the disease and follow the doctor’s instructions for treatment.