causes for lips swollen
Other stimulants that may trigger lip swelling include the following: 1  Sunburn, drying out, and chapping. 2  After-effects of lip surgeries, especially during the recovery period. 3  Accidents, especially in sports, that cause lacerations and bruising on the lips. 4  Irritants found on beddings, mattresses, pillows, and other linens, which may cause 5  ... Defi