If you have noticed a small bump or line on your lower lip, it's difficult to determine the exact cause or nature of the bump without a proper examination. However, here are a few possibilities: Cold sore or fever blister: These are caused by the herpes simplex virus and typically appear as small, fluid-filled blisters on or around the lips. They can be painful or uncomfortable but are generally not dangerous. Mucocele: A mucocele is a harmless cyst that forms when a salivary gland duct gets blocked or damaged. It can appear as a small bump on the lip and may contain clear fluid. Fordyce spots: Fordyce spots are small, pale, or white bumps that can appear on the lips. They are a type of sebaceous gland and are generally harmless. Trauma or injury: If you accidentally bit your lip or had any other trauma to the area, it could result in a small bump or line. In most cases, these bumps heal on their own. It's important to keep in mind that this is not an exhaustive list, and there may be other potential causes for the bump on your lip. If you're concerned or if the bump persists, grows larger, becomes painful, or changes in color or appearance, it's advisable to consult a healthcare professional or a dermatologist for an accurate diagnosis and appropriate treatment.

it may be sharp teeth and when you chew your cheek may get sandwithed between both upper and lower incisors and due this injury there may be bleeding from lips. apply Mucopain Gel Get those teeth smoothned by your dental doctor.

It seems to be an ulcer, it might have occured due to trauma or friction from surrounding teeth .Nothing to worry about , it will heal on its own .

Hello It is may be bcz of bite or trauma .nothing to worry about it

Hi. It looks like an ulcer. It could be due to trauma or friction from surrounding teeth Nothing to worry