Small blisters on the mouth may be caused by viral infection, chronic lipitis, allergies and other reasons.
1. Viral infection: when the patient’s immunity is low, it is easy to be infected with herpes simplex virus, burning pain around the mouth and lips, flushing and itching, etc. The common manifestation is clusters of papules and blisters on the basis of erythema around the mouth.
2. Chronic lipitis: with a variety of chronic long-term persistent stimulation, such as in the winter windy and dry season, due to licking lips, lip red in the event of a thin scab immediately tear off and other bad habits, over time, erosion of the formation of chronic lipitis, resulting in small blisters on the mouth.
3. Allergy: patients consume or contact with allergy-prone food caused by lip allergy, resulting in small blisters on the lips.
In order to prevent the condition from deteriorating, you should go to the hospital in time. It is recommended that patients should develop good dietary habits, drink more water, and ensure adequate sleep.