Head Lice Allergies
When itching does occur, it is due to an allergic reaction from the head live bug bites. In more severe cases, this scratching can cause the scalp to become raw and can cause sores. Although this is not a common occurrence, the sores can get infected.
Therefore, it is important to seek medical attention if you notice reddening or swelling of the skin that causes pain as this is a sign of an infection of the skin in this area.
