Bump on lip is a small blister or ulcerous growth occurring on the lips. It is also called mucocoele or lip sores. The surface of the bump can be smooth or broken and for some people the lesions may be scabbed or crusted. It causes pain, irritation and discomfort. It can occur anywhere on the lips inner surface and on the floor of the mouth. For more than 50% cases bump on lip occur on the inner surface of the lower lip. It occurs due to several causes like injury, allergy, cold sores, and infection and even due to stress.
Symptoms :
Bump on lip will be small in size, red in color, fluid filled blister and painful. For many people it would be painful and bleeding. For some people the bumps on lip will appear on the corner of the mouth. It would be itchy and dry giving warmth feeling. There can be swelling of lips and tenderness on the lips. In case there is underlying medical issues bump on lip will be accompanied by body pain, discomfort and general ill feeling. In some cases, bump on the lip will appear along with body rashes.
Causes :
Several factors lead to the formation of bump on lip. It can be due to minor trauma or injury to the lips which would damage the salivary ducts of the lip. This in turn would lead to the collection of mucus on the connective tissue of the lips causing blisters. It can occur while eating hot/spicy foods. Some people would bite their lips in anxiety or stressful condition. Dental fixtures like braces can harm your lips causing bumps. It can occur due to cold sores or due to infection caused by bacteria or virus. In some cases bump on lip can develop due to vitamin deficiency.
The causative factor for the formation of bump on lip can vary from mild to severe. In most of the cases it can develop due to herpes simplex virus infection. Cold sores are the main cause for getting bumps in many people. It would form fluid filled blisters which may rupture after few days. In rare cases oral cancer can be the cause for bump on lip. The lesions will remain there even after weeks and will not heal naturally. The swelling of lips would spread to neighboring areas like tongue and gums.