Purple blisters on the lips may be oral mucous membrane irritation, oral hemangioma, etc., and should be promptly consulted to find out the cause of the disease.
1. Oral mucosal stimulation: when teeth bite the oral mucosa, eat hard or hot food, may lead to oral mucosal damage, bleeding and mucosal hematoma, thus appearing in the mouth suddenly grows purple blisters phenomenon. Generally, there is no need for special treatment, in the process of eating, pay attention to slow down the chewing speed, reduce the local contact friction can be.
2. Oral hemangioma: mostly due to vascular dysplasia, venous vascular malformation and dilatation and other reasons, resulting in the phenomenon of purple blood blisters suddenly appearing in the mouth, the surface can be purple or bright red, irregular shape, size.
However, other factors can not be ruled out, it is recommended to consult a doctor in time to clarify the cause of the disease, and then give targeted treatment.