That tiny pimple on the top end edge of your lips. What is it called? Do you know how painful it can be?

The tiny pimple at the edge of your lips is often referred to as a cold sore or a fever blister, which is usually caused by the herpes simplex virus (typically HSV-1). However, if it's just a small bump without the characteristic symptoms of a cold sore, it could also be a common acne pimple or a mucous cyst. Cold sores can be quite painful and may cause discomfort because they occur in a sensitive area. They often present with a tingling sensation before breaking out into blisters. If you’re experiencing pain or discomfort, it’s best to avoid picking at it, keep the area clean, and consider using over-the-counter treatments or consulting a healthcare professional for advice.