What should you know about venous lake lip treatment?

A venous lake is a collection of widened, slow-flowing blood vessels close to the skin surface. On a lip it may look blue, purple, or dark red, and it can feel soft or compressible. It may become more noticeable when the lip is relaxed or warm. A clinician may press the area or inspect it with magnification to distinguish it from a pigmented mark, a bruise, or another vascular lesion.

Arrange a dermatology assessment if the spot is new, changing, repeatedly bleeding, or bothering you. Treatment can include a procedure that uses heat or electrical energy to close the abnormal vessel; the choice depends on the lesion and the surrounding lip tissue. Read more about [Electrosurgery](/treatments/surgical-dermatology/electrosurgery/) as one possible procedural approach. Do not pierce, squeeze, or burn the spot at home. Protect the lip from repeated sun exposure and keep any treated area clean according to the clinician’s instructions.

Seek prompt medical assessment if bleeding does not stop with gentle pressure, the area becomes rapidly larger, or marked pain, warmth, swelling, pus, or fever develops. An urgent review is also sensible when a blue or dark lip mark changes quickly or becomes ulcerated, because its appearance may need confirmation rather than assumption.

Ask whether the appearance fits a venous lake, which treatment suits its position on your lip, what temporary swelling or crusting to expect, and how to care for the area afterward. You can also ask what changes would warrant a review.