Clear blisters inside the mouth may be caused by mucous gland cysts, oral herpes, burns, etc., and you should consult a doctor in time to clarify the cause.
1. Mucous gland cysts: a relatively common salivary adenoma-like lesions, can be manifested as transparent vesicles under the oral mucosa, can be ruptured, but can also form cysts again.
2. Herpes stomatitis: clear blisters inside the mouth may also be caused by oral mucosal infection with herpes simplex virus, children, young children are more prevalent, which will also have fever, headache, swollen lymph nodes in the neck and other symptoms.
3. Scald: If you have eaten hot food before you have clear blisters in your mouth, you should consider that it is caused by scald, and such people should pay attention to eat when the food is cooled before eating.
The mouth inside the long transparent blisters, can go to the hospital in time for diagnosis and treatment.