Besides itching, symptoms of head lice may include a low-grade fever, swollen glands, a rash at the nape of the neck, bags under the eyes, and feeling tired. Head lice are nocturnal, meaning that they are more active at night than during the day.
Not always. Itching is caused by an allergic reaction to the saliva that lice secrete when feeding. The saliva keeps the blood from clotting, making the feeding process easier. About half of those who get head lice are not allergic to the saliva and therefore don’t itch. Even if someone is allergic, it takes approximately [read more]