Mouth blisters can be caused by irritation, mucous gland cysts or viral infections.
1. Stimulation: repeated mechanical or thermal stimulation of the oral mucosa, causing submucosal tissue fluid to ooze out and form transparent blisters.
2. Mucous gland cysts: due to trauma repeated stimulation leads to salivary gland rupture, blockage, and gradually formed mucous cysts, may appear transparent blisters symptoms.
3. Viral infection: When the soft tissues around the lips are infected with herpes simplex virus, which is common when the body’s immune function is low, the main symptom is blisters in the mouth.
Mouth blisters can cause problems in their own lives, must go to the hospital in time, must find out the specific causes for treatment and improvement.