To get rid of lip blistering (blistering) quickly, you need to check the cause, which can be a viral infection, a reaction to medication or a herpetic dermatosis. The use of medication is appropriate. 1. Viral infection: when the body is infected with herpes virus can appear lip herpes, clusters of blisters like the size of a pinhead, easy to break, need to use antiviral drugs, such as acyclovir, ribavirin. 2. drug reaction: drug-induced body hypersensitivity can appear in the lip area blisters, oozing, vesiculation necrosis, the treatment generally need to stop contact with sensitizing drugs, and the use of antihistamine chlorpheniramine. 3. Herpetic dermatosis: autoimmune diseases of the body can appear pemphigus, pemphigus-like pemphigoid and other herpetic diseases, the treatment of the use of glucocorticoids or cytotoxic drugs. Lip blisters are recommended to go to the hospital in a timely manner by the doctor to deal with, to avoid self-treatment triggered by secondary infections, the use of drugs need to follow the doctor’s instructions.