Patients with blisters on the skin of the mouth may be due to allergies, oral ulcers, viral infections and other reasons, there is no such thing as how to deal with it to get better faster, and should be treated with the appropriate medication according to the cause of the disease. 1. Allergy: patients due to eating foods that may cause body allergies, such as mango, peanuts, fish and shrimp, etc., will lead to blisters on the skin of the mouth, should be given anti-allergy drugs such as chlorpheniramine maleate tablets, cetirizine hydrochloride tablets, loratadine tablets and so on, which can effectively alleviate the symptoms of patients. 2. Mouth ulcers: due to the decline in immunity, oral flora imbalance, can lead to mouth ulcers, patients may also appear blisters on the skin of the mouth phenomenon. Maintaining a good routine, paying attention to hygiene habits, and eating more vitamin-rich foods and fruits can effectively alleviate the patient’s symptoms. 3. Viral infections: When the body’s immunity is lowered, the herpes virus invades the body, causing blisters to appear on the corners of the mouth. Acyclovir cream, fusidic acid cream, interferon gel and other drugs can effectively relieve the symptoms. If you have blisters on the corners of your mouth, don’t scratch them with your hands. We recommend that you go to the hospital for a checkup to determine the cause of the blisters and then follow the doctor’s instructions for appropriate treatment.